Step 1 As with anything involving electrical work,
start by disconnecting the negative battery lead.
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Step 2 Take off the panels around the steering
column and the center dash area.
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Step 3 You will need to pass the
controller's wiring harness through the firewall to get into the engine
compartment.
There are two rubber plugs
under the dash in over the hump in the center of the firewall. We already had
our hand throttle passing through the top one so we chose to use the bottom,
circular plug. Carefully, take the plug out, as you will need to make a hole in
it to pass the wiring harness through.
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Step 4 Because the harness has a large plug on the
end which is much larger than the harness itself, we chose to cut in from the
outside of the plug and then cut a cross in the middle.
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Step 5 There are two wires that are separate from
the rest of the harness. These are your power leads.
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Step 5 (continued)Use the blue t-tap (or red if your
wire is larger) to tap into the ignition wire that leads to the back of the
cigarette lighter. On our TJ, this wire is blue. To be sure, use an ohmeter.
Touch one lead to a ground and the other to a wire. Using an ohmmeter, both
read on the meter. One reads infinite and one does not. The wire reading
infinite resistance is the ignition wire. Tap into this. Hook the red wire from
the controller to the t-tap and screw the black wire into the metal steering
column panel for a ground.
Step 6
WARNING: Do not
under any circumstances use this device on the road or highways!
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