Aftermarket twin radiator fans no longer work

55

Asked by Apr 04, 2015 at 10:13 AM about the 1987 Chevrolet S-10 Tahoe Standard Cab SB

Question type: Maintenance & Repair

I have moved the ground wire to a new location, replaced the 40/60amp relay, double
checked the power from the switched source moved the probe to a new location, checked
hot wire going to the relay. Still nothing. Any help would be greatly appreciated.
Thanks,
Moparx2

5 Answers

39,205

Have you replaced engine temp sensor and Engine Coolant temp sensor yet? Fan switch is usually activated by temp.

Best Answer
95,245

I'm with Reelin on this one, could very well be the sensor probe..

Best Answer
18,575

Hot wire the fans to make sure they work

Best Answer
55

Thanks guys The probe is inserted in the radiator, are ya'll saying to replace the temp sensor at the intake? I have also hot wired the fans to be sure they will run, everything seems ok there. Thanks, Moparx2

95,245

I have never seen a temp probe that goes in the radiator fins, most of the current probes usually go in the hose that carries the hot coolant from the thermostat. The sensor in the intake is for the engine controls, and the other is a sender for the gauge or light

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