Team PowerTrays is out of the shop this week to attend Overland Expo West. Orders placed now will begin shipping in the order they are received beginning next Tuesday, Sept 28th. Thank you!
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    Installs, Write Ups, and Guides

    Switch-Pros PowerTray w/ Dual MRBF Accessory Bundle - 4Runner/ FJ / GX

    The Switch-Pros 9100 changes the game when it comes to adding lights and other aftermarket accessories to a vehicle. But if care is not taken the wires will quickly tangle and become difficult to manage. by providing your aftermarket accessories with a convenient and reliable place to connect, you reduce the chances of something going wrong. and if an electrical gremlin does start causing issues, trouble shooting is much easier when everything is layout out and displayed in an orderly fashion.

    Now, you'll want to do as much prep work as possible before installing the Switch-Pros PowerTray system in your vehicle.

    Prep work - things to do before the actual install

    PowerTray Components:

    • Switch-Pros PowerTray
    • Support Leg
    • Installation Hardware:
      • (2) M8 JIS Flange Bolt
      • (2) M6 JIS Flange Bolt
      • (2) M6 JIS Flange Nut

    Accessory Bundle Components:

    • Blue Sea 5025 6 circuit fuse block
    • Blue Sea 2508 8 circuit terminal block
    • Blue Sea 2300 10 screw busbar
    • Accessory Hardware:
      • (10) #8 x 9/16” Phillips machine screws
      • (2) #8 x 3/8” Phillips machine screws
      • (1) Rubber grommet
    • Perma-Seal Heat shrink ring terminals
      • (5) Large
      • (5) Small
    • Low-profile mini add-a-fuse's w/ 2A fuse
      • (2) Ignition and light sense
    • Dual MRBF fuse holder
      • (1) 125A Marine Rated Battery Fuse
      • (1) 100A Marine Rated Battery Fuse
    • Battery Cables:
      • (1) 26" Length 4GA Power Cable
      • (1) 24" Length 4GA Power Cable
      • (1) 3" Length 4GA Ground Cable
      • (1) 16" Length 4GA Ground Cable

    Begin by prewiring the Switch-Pros output leads to the Positive Terminal Block.

    • Mount the Switch-Pro and Blue Sea components to the PowerTray using the provided Accessory Hardware.
      • The Busbar will use the shorter 3/8" length machine screws; Everything else uses the longer 9/16" length machine screws)

    • Route the Switch-Pros wires down under the unit and up though the space between the terminal block and Switch-Pros. Temporarily hold the wires in place by removing the Terminal Block’s screws and reinserting them with the wire under the screw head.

    • Once all 12 wires are routed and secured under the screw heads, adjust them for aesthetic/uniformed length. Begin cutting them one by one using the edge of the Positive Terminal Block as a guide. This will ensure they are all uniform in length. (Note: If your wire cutters are too bulky to get in there, use a pen or marker to mark a cutline on the wires so they can be removed and cut)

    • Once all the wires are cut, flip the PowerTray over and begin stripping the ends in order to crimp on the heatshrink ring terminals. Lastly, apply heat to the terminals to fully seal and protect the connections from water and corrosion. 

     

    • Pro Tip: After the ring terminals are crimped and sealed, remove the Switch-Pros base module from the tray before attaching the wires to the terminal block. This will give the ring terminals more room while screwing them to the Terminal Block. Once the ring terminals are secured to the terminal block, move the SP's base back into location while using the back of the SP to uniformly push all the ring terminals down at the same time. The insulation will be pressing against the back of the base module. So slightly wedge your finger between the the two to add some distance between them so they don't rub.


    • Lastly, attach the Negative Stubby Cable taking special care to its orientation as the cable is made with reversed lugs to account for the height differences between the fuse block and busbar.

    2) Run the SP harness though the firewall

    • Unfortunately I don't have any pics of this process at the moment. But you'll want to do this before you do the actual install so you aren't so cramped.
    • One strategy that we use, is to poke a zip tie though the main wiring harness boot on the drivers side firewall. Poke the zip tie through from inside the cab (so the connector can be pulled from the engine compartment, back into the cab). Then tape the connector to the zip tie.
      • Pro Tip: Electrical tape works best because it's stretchy and smooth. When taping the connector to the zip tie, start a little higher up on the zip tie and wrap towards the connector. This does two things; First it provides layers to act as the slope so the tape doesn't get hung up when going through the rubber boot; Secondly, starting up higher on the zip tie provides more surface area for the tape to adhere to. Also use some type of lube around the outside of the tape to help it squeeze though the factory wire harness boot on the firewall.

    The pre-wiring stage is complete. Next step is to install the PowerTray in your vehicle.

    Installation 

    **NOTE: If you have a 2020+ 4Runner you will first need to relocate a small relay box prior to installation. CLICK HERE to see how.

     Step 1: Bolt the PowerTray to the Inner Fender.

    Remove your fuse box cover to give you more room for your hand. Start with the back bolt closest to the firewall. Angle the tray up while you begin threading the M8 flange bolt by hand.

    Now rotate the tray down so you can install the forward most M8 fender bolt. (Tip: You can keep the tray tilted up for more hand room.)

    Finally center the PowerTray between the factory fuse block and master cylinder. Use a small ratchet with 12 mm socket to finish tightening the two fender bolts. 

    Step 2: Bolt the top of the support leg to the inside lip on the PowerTray.

    Note: The support leg has a top and a bottom. The smaller hole at the top attaches to the PowerTray and the elongated hole (on the bottom of the support leg) gets bolted to the lower fender.

    It looks cleanest when you attach the support leg to the inside of the bend. Also, put the bolt in from the engine side so the serrated flange nut is on the underside of the tray. Next we'll attach the bottom before fully tightening.

    Step 3: Bolt the Support Leg to the Lower Fender.

    The elongated hole on the bottom of the support leg will be attached to a preexisting hole on the lower inner fender. This area is best accessed from the wheel well.

    Locate the unoccupied hole indicated by the little red arrow in the picture. Put the second M6 Flange bolt in from the wheel well. The support leg should be hanging just behind there, so reach though the opening by your coilover to guide the support leg on the bolt and put the nut on the backside. Attach but do not fully tightened yet.

    Now with the support leg in place, go back up to the top connection. Make sure the support leg is vertical by sliding it forwards/backwards. Then use a 10mm wrench and fully tighten the bolt. The serrations on the flange nut will bite into the aluminum so you don't have to use a wrench on the underside of the tray.

    Lastly you want to finish tightening the bottom of the support leg. But before you do, make sure the tray is level by sliding it up and down. (Tip: Put your fuse block cover back on and use its edge as a parallel reference.) Again, the serrated flange nut will bite into the support leg as you tighten, so you can just tighten it from the wheel well.

     Cable Routing for Dual MRBF install:

    Pretty self-explanatory from the pictures but the Dual MRBF mounts directly to the positive post on the battery and provides circuit protection for both the Blue Sea 5025 fuse block (100A) and Switch-Pros 9100 (125A).

    For the Power Cables, connect the load side first and the source (battery) side second. Install the rubber grommet first; Then push the 24" fuse block cable through from underneath. We custom make the fuse block cable with a smaller 6 gauge battery lug to better fit through the rubber grommet. Note: If the grommet wants to pop out when pushing the cable up through, use some lubricant on the lug/heat shrink area and wiggle the cable in a circle motion until it's through the rubber grommet. once though, bend the cable down and secure it to the Blue Seas 6-circuit fuse block.

    Next bolt the 26" (slightly longer) SP cable to the positive stud on the Switch-Pros base power module. With both power cables securely attached to the load side, you can attach them to the Dual MRBF terminal fuse holder.

    Lastly, run the 14" ground cable from the Blue Seas Busbar to the factory chassis ground bolt found on the inner fender close to the negative post on your battery. Pro Tip: It's easier to first attach the cable to the chassis ground bolt and then the busbar. Note: The factory chassis ground bolt will have an "E" stamped into the head. 

     

    Switch-Pros PowerTray w/ Dual MRBF Accessory Bundle - Tacoma

    Switch-Pros PowerTray w/ Dual MRBF Accessory Bundle - Tacoma

    Thank you for purchasing the Switch-Pros PowerTray and Dual MRBF accessory Bundle.  Please follow the provided instructions to ensure that your PowerTray is installed correctly and the whole system is wired up correctly.

    This install was done on a 2020 Toyota Tacoma TRD Off Road with automatic transmission. However steps should be almost identical for the 4th and 5th gen 4Runner's, FJ Cruiser's and GX460/470's.

    Before you start check to make sure you have everything:

    PowerTray Components:
    • Switch-Pros PowerTray 
    • Support Leg
    • Installation Hardware:
      • (2) M8 JIS Flange Bolt 
      • (1) M6 JIS Flange Bolt
      • (1) M6 JIS Flange Nut
    • Accessory Hardware:
      • (10) #8 x 9/16” Length Phillips machine screws
      • (2) #8 x 3/8” Length Phillips machine screws
      • (1) Rubber grommet 
    Accessory Bundle Components:
    • Blue Sea 6 circuit fuse block
    • Blue Sea 8 circuit terminal block
    • Blue Sea 10 screw busbar
    • Dual MRBF fuse holder
      • 125A Marine Rated Battery Fuse 
      • 100A Marine Rated Battery Fuse 
    • 26" Length 4GA Power Cable
    • 24" Length 4GA Power Cable
    • 3’’ Length 4GA Ground Cable
    • 16" Length 4GA Ground Cable
    • Perma-Seal Heat shrink ring terminals
      • 5 large
      • 5 small
    • Optional - Low-profile mini add-a-fuse's
    Not included by PowerTrays:
    • Switch-Pros SP9100

    PREP WORK: THINGS TO DO BEFORE THE INSTALL IN YOUR TOYOTA

    1) Begin by prewiring the Switch-Pros output leads to the Positive Terminal Block.
    • Mount the Switch-Pro and Blue Sea components to the PowerTray using the provided Accessory Hardware.
      • The Busbar secures with the shorter 3/8" length machine screws; Everything else uses the longer 9/16" length machine screws)

    • Route the Switch-Pros wires down under the unit and up though the space in the PowerTray.
    • Temporarily hold the wires in place by removing the Terminal Block’s screws and reinserting them with the wire under the screw head.

    • Once all 12 wires are routed and secured under the screw heads, adjust them for aesthetic uniformed length. Begin cutting them one by one using the edge of the Positive Terminal Block as a guide. This will ensure they are all uniform in length. (If your wire cutters are too bulky to get in there, use a pen or marker to mark a cutline on the wires so they can be removed and cut)

    • Once all the wires are cut, flip the PowerTray over and begin stripping the ends in order to crimp on the heat shrink ring terminals. Lastly apply heat to the terminals to fully seal.

     

    • Note: Remove the Switch-Pros base module from the tray before attaching the wires to the terminal block. This will give the ring terminals more room while screwing them to the Terminal Block. Once the ring terminals are secured to the terminal block, move the SP's base back into location while using the back of the SP to uniformly push all the ring terminals down. Then finish screwing the SP's base into the vertical mounting tabs.

     

    • Pro Tip: The insulation will be pressing against the back of the base module. So slightly wedge your finger between the the two to help add some distance between them so they don't rub.

    • Lastly, attach the Negative Stubby Cable taking special care to its orientation as the cable is made with reversed lugs to account for the height differences between the fuse block and busbar.

    2) Run the SP harness though the firewall

    Unfortunately I don't have any pics of this process at the moment. But one strategy that we use, is to poke a zip tie though the main wiring harness boot on the drivers side firewall. Poke the zip tie through from inside the cab so the connector and be pulled back through. Then tape the connector to the zip tie in a way that creates a gradual slope; so the connector doesn't get hung up on anything when pulling it back though into the cab. Electrical tap works best because it's stretchy and smooth. Also use some type of lube around the outside of the tape to help it squeeze though the factory wire harness boot on the firewall. 

    Tip: When taping the connector to the zip tie, start a little higher up on the zip tie and wrap towards the connector. This does two things; First it provides layers to act as the slope so the tape doesn't get hung up when going through the rubber boot; Secondly, starting up higher on the zip tie provides more surface area for the tape to adhere to.

     

    Installing The PowerTray

    Check to make sure nothing is in the way. (This customer has a relay holder mounted right where the PowerTray mounts; This relay will no longer be needed as their light bar can now be wired directly to the Switch-Pros.)

     

    Pro tip: Remove the factory fuse box cover so you have more room to get a hand under the PowerTray. You can also angle the PowerTray up and rotate it for better access on the first bolt.

    Hold the PowerTray with your right hand and use your left hand to begin threading the M8 flange bolts into the factory threaded holes. Continue to hand tighten the first bolt until snug. For the second bolt, slide the PowerTray back (towards the cab) and the factory threaded hole will be right below the front edge of the PowerTray. Again, install the bolt until snug. We'll come back to finish tightening these after the PowerTray is positioned exactly where we want it.

     

    Attach the support leg to the inside lip on the PowerTray with the included M6 hardware. Tighten until snug. 

    The bottom of the support leg attaches to a factory bolt that holds a bracket for the front differential breather lines (Two black tubes with silver caps). First remove the bolt, then add the support leg and reinstall the bolt until snug. It should be assembled in the following order: Bolt > Support Leg > Bracket > Fender.

    Final Step: All the hardware should now be snugly installed. First slide the tray forward/backwards until its spaced evenly between the factory fuse box and master cylinder. Then use a small 1/4" drive ratchet with a 12mm socket to finish tightening the two M8 flange bolts on the fender side.

    Its a little tight under the PowerTray, so just take your time on this step. If your big beef-cake arms just cant get this step done then some folks have found it easier to use a combination of extensions/swivel sockets in order to bring the ratchets handle out past the edge of the PowerTray.

    Make sure the support leg is straight up and down and not angled. Then use a 10MM ratchet or wrench to finish tightening the connection at the top of the support leg. Note: The serrations on the M6 flange nut will bite into the aluminum support leg when you tighten the bolt. Simply hold the nut firmly in your fingers while you tighten the bolt and let science do the rest.

    The lower support leg is the last connection we need to address. before tightening make sure the PowerTray is level. Pro tip: reinstall the factory fuse box cover for a level reference. The surface of the fuse box cover should run parallel to the surface of the PowerTray.

    Wiring Switch-Pros Ignition and light sense wires: (Photo Dump)

    The Switch-Pros has three voltage sensing wires used to control some of the features showcased by the unit. The light blue wire is the ignition sense wire and it is required in order to turn on and begin programing the Switch-Pros. The other taps are optional and used as a light sense (White wire used to dim the switch panel when you turn your lights on at night) and a trigger tap (Pink wire, this will be unique to each build, some have used this to tap into their reverse lights to simultaneously tigger aftermarket backup lights).

    Step 1 - The following steps are optional. Group the 3 wires together and wrap approximately 18 inches of Techflex (supplied by Switch-Pros) and seal both ends with heatshrink. 

     

    Step 2 - Bring the wires up into the factory fuse box by following the factory wires.

    These pictures show how to use a zip-tie to aid in bringing the wires up into the factory fuse box.

    Note: I then added another piece of tape wrapped in the opposite direction. This is so the tape doesn't get hung up when pulling the bundle up through. Also use some lubricant to help it slide though.

    Step 3 - Use your Low-Profile add-a-circuit fuse taps to make the final connections.

    Note: Factory fuse box layouts may vary depending on your specific year/options. These connections were made on a 2018 Tacoma TRD Off Road. (Fuse tap closest to the engine was the ignition sense and the tap closest to the fender was used as the light sense)

     Cable Routing for Dual MRBF install:

    Pretty self-explanatory from the pictures but the Dual MRBF mounts directly to the batteries positive post and provides the circuit protection for both the Blue Sea 5025 fuse block (100A) and Switch-Pros 9100 (125A).

    Install the rubber grommet first; Then push the 24" fuse block cable through from underneath. We make the fuse block cable with a smaller 6 gauge battery lug to better fit through the rubber grommet. Note: If the grommet wants to pop out when pushing the cable through, use some lubricant on the lug/heat shrink area and wiggle the cable in a circle motion to slowly get through the rubber grommet.

     

    Clutch Fluid Reservoir Relocation Guide for Tacoma

    Clutch Fluid Reservoir Relocation Guide for Tacoma

    Start by unbolting the CFR from the inner fender.

    Then attach to the CFR to the two M8 studs on the relocation bracket.

    Line up the bracket with the fender-side bend on the Powertray. (The bracket will sandwich between the Powertray and fender)

    Move the Powertray in place and begin threading the supplied M8 flange bolt into the factory threaded hole closest to the firewall.  Tip: Keep the Powertray slightly angled up for better access to this hole.

    Once the first M8 bolt is installed, slide the Powertray and CFR bracket as far back (towards the firewall) as it will go. Also remove the factory fuse block cover. This will provide easy access to install the forward most M8 flange bolt.

    Use your fingers to tighten the bolts as far in as you can. Then finish tightening with a 12mm socket. Tip: using a small 1/4" ratchet will make tightening these bolts easier.

    Last step is to make sure the semi-flexable hose that comes out of the CFR is routed correctly. The extra hose should coil nicely and can be tucked behind the OE wiring harness on the inner fender.

    Now the CFR is out of the way and you can proceed with the rest of the install.