ELECTRICAL PROBLEM1979 OTHER GMC MODELS 4 CYL ...

1979 GMC

Tiny

Dan C

November, 12, 2008 AT 4:46 PM

Electrical problem
1979 Other GMC Models 4 cyl

Why is a resistor needed or not needed on an ignition system?

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1 Answer

Tiny

hmac300

October, 10, 2009 AT 9:26 AM

If you have a points type system and some electronic ignitions if you don't have a resistor to cut the voltage down from 12 down to about 9 it will burn the points right up and damage some of the electronics in the electronic system. Not all electronic systems need resistors though.

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