Join Date: Dec 2002
Location: Saint Louis, Missouri
Re: Very simple but can't find: What color wires connects to ign coil
If it's really a mess, then I would not be going by colors as who knows what might have been changed.
On the bulkhead connector, one of the pins (refer to a shop manual) would have had the original resistance wire coming out of it and this would go to the positive side of the coil. The positive side of the coil also has another wire that went to the starters "I" terminal which was opposite of the "S" terminal that the larger purple wire is connected to.
The negative side of the coil then had a wire that went to the points in the distributor.
If the car had a factory tach, then this would have been connected to the negative side of the coil also.
Some of the wires you have might also be for the wipers and the only way to know is to trace things down and/or do some electrical tests. Going by wire color leaves too much to chance sometimes.
1974 Spirit Of America Nova (being restored), 1973 Nova Custom, 1968 Chevy II (Garage Find 2012)
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