AudioVox cruise control

The hardest part of this project is finding a place to mount the servo and deciding how to connect it to the linkage. Gadget installed his servo in the leftside storage area. I had intended to put mine elsewhere, but ended up putting it there, too.

The servo relies on vacuum for its mechanics. Our motorcycles don't generate a large volume of vacuum so we have to use a vacuum reservoir. The reservoir functions similarly to a and smoothing. I made mine out of 1 1/2" PVC pipe. Since you make it yourself you can make it to fit whatever space you have. It doesn't have to be very big.

Here is everything mounted in the leftside compartment. The plastic compartment is heavily modified to make more room.

I'm doing several wiring mods/additions so I put a terminal strip on the battery hold down bar to make connections more accessible. In addition to the cruise control I'm adding a Hoppy trailer converter, rewiring my headlight, and adding a set of driving lights.

Here is a schematic of my wiring upgrades. The relays and fuses are in the side compartment for easy accessibility.

The vacuum source comes from the top of the throttle body. The hose (green arrow) is the vacuum source for the reed valve switch. The check valve (blue arrow) keeps the vacuum in the reservoir. I found it in the HELP! section at AutoZone. You should be able to blow TO the engine but not suck from it.

The cruise control reads the tach signal to determine its speed and adjusts the throttle appropriately via the servo.

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