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Old 07-13-2019, 10:23 PM   #4
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Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
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Talking Re: New vintage usa highbeam/engine light prblem

Originally Posted by 70CHEVYBB View Post
yes the pcm wire is ground. i ran it to the black wire to the light and the red wire to ignition. as soon as i turn the key on the light come on
That's correct the hot wire is hot when key is on because of the ground wire.

Your gonna have to figure out the ECU wiring for the check engine light to trigger it and tie into it, not straight to a hot wire.
1971 LWB Custom, 6.0LS & 4L80E, GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver
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After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.
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