LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Electric Water pump and wiring Q & A

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Old 06-17-2019, 09:56 AM
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Originally Posted by Toby Dog
So if I'm planning on using my old smog pump relay do I eliminate the existing wiring from the ecm so I don't get any issues.
If the relay tests good then go ahead. Yes, take off any smog pump related wiring on the relay. However, if you have OBDII, and it hasn't been turned off via tuning, you'll get a SES light.



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