Mechanics

IGNITION DISTRIBITOR

1987 GMC Sierra

Electrical problem
1987 GMC Sierra V8 Two Wheel Drive Automatic 130000 miles

MY 1987 gmc SIERRA P/U HAS POWER TO COIL BUT NOT TO DISTRIBITOR TRUCK WONT START WONT EVEN BACK FIRE NO POWER TO SPARK PLUGS
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MARCUS ADAMS
June 30, 2010.



If you have tbi fuel system, look for an injector spray pattern, engine cranking. If no spray pattern, I'd look for an rpm signal? Ignition module or pickup coil, possibly?

Tiny
Internetmechanic
Jun 30, 2010.


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