Having problems with your 1998 Cadillac DeVille ?
Cooling fans will not come on (AC or radiator)
\015 Just installed Compressor, Accumulator, and orfice tube. Cleared codes, PSM, ACM, and PZM out of IPM fans came on for split second and then off. Will not come back on. Checked fuses, minis and maxis, and relays, all are good???\015
Coolant temp sensor is probally faulty. I had a no fan blow problem, removed the wire harness from the coolant sensor and fan came on and stayed on, indicating that the fans work fine but not recieving singnal from sensor. replaced sensor, all worked out.
Repair Help & Product Troubleshooting for 1998 Cadillac DeVille
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