anti knock sensor wiring

25

Asked by Mar 22, 2008 at 12:53 AM about the 1990 Buick Regal Custom Coupe FWD

Question type: Maintenance & Repair

the wiring harness going to the knock sensor is missing,which is causing the cooling fans to not come on

3 Answers

7,415

I dont believe they are connected, try wiring the fans on a switch.

46,665

Right, your problem here is either coolant temp switch, fan relay, or the fans themselves. Knock sensor is not the issue, I don't even believe the 1990 Buick has a knock sensor. Perhaps you are describing the coolant temp sensor wiring being missing?

5

Well im so happy to have run across you LOL I need to replace my coolant temp sensor, could you tell me where to find it on 94 buick regal gs 3.8? if you have a diag. of it that would be great but either way cant get no one else to do it so guess I do it myself

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