Question about 1990 Chevrolet Lumina APV
Need to find rpm pickup switch
There is no RPM pickup switch on a 3.1L MPFI. The RPMs are derived from the igntion module, its a white wire on the 6 or 7 prong clip. It uses input from resolution of crank sensor to determine engine RPM. what is your problem?
Posted on Sep 21, 2008
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Posted on Jan 02, 2017
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