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Roadmaster InvisiBrake Supplemental Braking System Installation - 2001 Chevrolet Tahoe

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How to Install a Roadmaster InvisiBrake Supplemental Braking System on a 2001 Chevrolet Tahoe


All right. Today, on this 2001 Chevrolet Tahoe, we're going to install part number RM-8700 from Road Master, and this is a brake kit. Okay. To start off the install, we remove the threshold and also the kick plate by the compartment brake. We lift up the trim panels in the back. We're going to route our cylinder next to the driver seat, and we will attach it later on to the metal bracket that's near a console.

We will take out cable and were going to route it underneath our plastic here.Now, were going to route it up and over the support underneath the dash and over the interior air docks, and we route it down through here along for pulley. Now we did take our pulley loose by these two pins here and took it apart to make it easier to thread through. Then we just reassembled it. Now, when we attach our pulley, weve got to find a spot so that our cable will go around the pulley and reach to our brake pedal.Over here, were going to cut off the installations. We can mount our pulley straight to the firewall.

Now, we can go ahead and start installing our clamp that goes through the brake pedal. What you want to aim for is this being tight with just a little bit of playing it about the size of this ball in the end here, a quarter inch. Now, we all now have planned out for sure who's going to fasten it down.All right. Now, we'll go ahead and mount our cable to the firewall. All right.

We're going to go ahead and add zip tie to the upright where our cable is, secure it. Were going to leave this part alone for now. Let's go to the cylinder and we'll go ahead and install our clamp for that. All right. Now, our cylinder is going to mount to this bracket right here, and we use a clamp that will hold it in place.Before we do that, we have to our air line right here.

Okay. We're going to do our best to route our lines under these rails here so it won't slide back and cut the line. Were going to take a line. We're going to run it underneath our carpet. Well take our other new air line and all you've got to do is push it right into the fitting. You just push it in as far as you can. You have to tug back and inaudible 00:02:31 locks in.Okay. Now, let's go continue over our small line here. We're going to go underneath the carpet, and then we're going to wrap this back up under our seat where the InvisiBrake compressor is hiding. Route it under the jack tools. Okay. Were just going to push it right in, just like the other fitting until it stops, and then pull back, and its installed.Okay. Now, we'll go ahead and run our next line which will be a vacuum line, which will come from this port here. Were going to run it all the way up to the front of the vehicle. To attach our nylon vacuum line to the InvisiBrake we're going to slide on a piece, a quarter inch of rubber line, and route that underneath the jack tools as well. That's going to push right on. That's really it.Now, were going to continue on running up to the front. Were going to follow the same path as our air line, but were going to go up to the firewall. Now, normally we would have to draw a hole through the firewall to get to the outside so you can get to the vacuum line from the brake booster. We got lucky at this point that this vehicle already has a hole drilled through the frame, so were going to use it.Make sure the line is underneath all the panels. We'll go underneath the hood and make our connection. Here's our vacuum line. Route it to make sure that they're away from anything hot or moving. Now, were going to make some connections through a vacuum line. First, were going to add the T right here so we'll make a cut in our line or a T the way the small section to connect the check valve with the T.When we install our check valve, we want to make sure the red is always going towards the engine. Now, our kit does come with a small section line. We can actually use that as part of our install. We'll go ahead and slip that on. We'll take the other half of our line. We'll probably trim it up just a little bit as well and install it.All right. To connect our nylon vacuum line, again, we're going to use a small piece of quarter-inch tubing. Now, were going to take our wires with the black and red, and the black and white. We can go ahead and hook these up to InvisiBrake. The black wire will go out front of the vehicle to the breakaway kit, and the red and black wires will go to the battery and powering ground.Basically, we'll run the wire same way we did with the vacuum line, and well go out a different point of a vehicle. This grommet for the parking brake, were going to use that to go outside. Lets cut a slit in it and then run our cables through it. We'll then go ahead and burn our black and red wires through.We'll go ahead and take our wires. Well pull out our slack. Okay. We'll go ahead and pull our wires up. Now, well take our red and black wire. We'll leave it by the battery. Then our black wire, these two pulled in, we'll run that down to the bumper. Okay. All right. Now we can go ahead and start connecting our black and red wires.Our red wire will go to the positive terminal and our black wire will go to ground, and we'll run that to the body. For our positive terminal on the battery, were going to be using the brass bolt battery extender from Deka. All right. This basically replaces the post that's in the battery. Basically, we had to pry out this bolt as best as we can, and we'll go ahead and replace it with this part.The big terminal will run to the positive side. Okay, and then we'll go ahead and reinstall it to the battery. We will trim up our wires, and we'll go ahead and add our ring terminals. This section is steel. It's double-layered, so were actually going to use a longer screw that what is provided in the kit to go through both layers. Before we add a red wire to our battery terminal, let's strip the wire back.We'll inaudible 00:07:31 one half of our fuse holder and we crimp right here. We'll install our fuse, put the other half are harness on top of it, and just push this together. Okay, we'll now go ahead and add this to our battery terminal. We're going to go ahead and install our breakaway switch.Now, there isn't really not much to attach to, but not covered up, but were going to put in this location back here. There's a piece of metal that we can attach to that's going vertical, so were going to take this part of a bracket and were just going to put a 90 degree turn on it. Okay. After the breakaway switch is mounted, we'll go ahead and connect the two halves together. We're just going to zip tie our extra out of the way.Quick test by pulling out on the breakaway switch. Now, were going to take our wire harness with the four wires and well plug that into back of InvisiBrake and, one more time, we'll take these wires and follow the same route as our red and black wires did. We'll go ahead and follow the same route as before going up to the same grommet as our red and black wires.Now, these four wires, we're going to hook up to our wire harness that are used for the towing lines that's behind the RV. Right now, were going to take our purple wire and we're going to route it towards the back of the vehicle. Were going to hook up before our aftermarket towing harness.All right. Now, this is a wire we're just adding in, and this is our existing aftermarket wire harness that's previously installed. We've got a color code for this wiring. Green is right turn. Yellow is left turn. Brown is inaudible 00:09:44 lights, and white is ground. That's the same code that's commonly used on towing harnesses.In this case, were just going to match everything color to color and use a block connector to inaudible 00:09:54 everything together. Then, we'll go ahead and install everything back into the frame. Now, to connect all three of the wires together, to access wire and the third wire, were just going to use a block connector.Okay. We've got our ground done. Lets go and repeat the same process for the remaining wires. Once you inaudible 00:10:40 along a specific spot to mount our box, we'll go ahead and make a cottony carpet so we can get down some sheet metal below. Well run some inaudible 00:10:49 to screws to attach to.Now, we have most of the components installed and we can go ahead and reinstall the interior panels and carpeting in the back of the truck. We're just about done for install for inside of the vehicle. We need to add one more cable and this is for a monitoring system that goes between RV and the towed vehicle.This simple plug right here, we're going to push to the same grommet as we used for our breakaway switch and we're going to follow exact same route and come out down by the wiring connector at the front of the vehicle. Okay. We'll run our wire up by a four-pole connector here. All right. This is the other end of the wire right here, and we're simply going to wrap this up towards the closer side of the brake switch.Because this truck has a combined wiring system, we need to install a brake light relay kit. Because both of the RV monitor cable the brake light relay are connected to the cold side of brake pedal switch, we can install them together. This relay is required on towed vehicles that have a two-wire system when using a supplemental brake system.To install the kits, weve got to find out which wire is the cold side of the brake switch, so that means when we hit our brake pedal, the wire will get hot, and when its not, it will be the cold side. Okay. We test this first light where this white wire goes into, so that will be a cold side of our switch.All right. To protect the circuit we're working on, were going to remove the fuse. All right. Now, we're going to make a connection to the brake wire. That's the cold side of the switch. Were going to cut it in half. For our relay kit, were going to attach the green wire and also the RV mounter black wire.We're going to combine these two to one-half of a block connector and connect the other half to the white wire. Okay. Now, our black wire, were going to connect a blue block connector to it. Then this will get connected to the other half of the white wire that we cut. Okay. Now, we're going to take our red wire. We're going to attach this using a fuse tap, going to the fuse panel.Now, we can use any fuse we want as long as it has power going to it when the key is on the on position, which will block connector to inner wire and has a fuse to tap and a separate slot for a factory fuse and for our new circuit.This with part number F2526. We're going to make our connection, and then we'll run our wire up to the fuse panel. We've got our fuse for our factory accessory and another inaudible 00:13:25 fuse for our relay kit. Were going to leave this unplugged until were finished with our installation.All right. Next, we'll go ahead and deal with our white wire, and we'll ground this to the body. We will install our fuse into the fuse holder. With our connections made, we'll take our fuse tap, install back into the fuse block, and then we can go ahead and zip tie the relay and the wire safely out of the way.We're going to start running the cable for the motor home. We're with the female in here on a 50-foot cord. Were going to tie this off by the trailer connector, and then run this up to the dashboard. All right. To the other side of our black wire, and we'll attach that to the body ground.Now, we can connect our harnesses together. All right, we'll go ahead and test the system per reinstructions. Okay, with that, that will finish it for our install of part number RM-8700 from Road Master, and this is a brake kit, on this 2001 Chevrolet Tahoe.


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