Mechanics

MODELS RECURRING IGNITION PROBLEM

1986 GMC Other

Electrical problem
1986 Other GMC Models V8 Four Wheel Drive Manual 161168 miles

keeps losing ignition from coil to distributor
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Rj4440
November 10, 2009.




Welcome to the forum, is the coil in the cap? If it is, check for primary voltage to the coil/cap, pink wire, goes hot when you turn on the key. There may be a tach terminal on the cap, may/may not have anthing plugged into it. Use a testlite at the terminal, lite should pulse, engine cranking? One end of testlite touch to tach terminal, other ground at engine block.

JDL
Nov 10, 2009.


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