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Discussion Starter · #1 ·
This car mostly been rewired because of animals chewing up wires but can't figure out what this wire needs to go to. Surges at idle, tring to see if this is the cause or if its the optispark 1994 firebird lt1 formula
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Discussion Starter · #4 ·
One looks like it come out of the harness and the other goes back behind the alternator, I plan to take alternator off and investigate where it goes,
 

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Discussion Starter · #8 ·
It does it randomly, it can be cold or hot, it idle swing is about 700-1500, it's and auto trans, looking for a quality optispark but not sure what be good
 
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