Having problems with your Cadillac Eldorado ?

I cant find the fan relay on a 1992 caddy. elardo. cant you help.

Posted / edited by AnonymousUser on : 01-06-2020

Answers :

There are 3 relays and 2 fuses that control the fans and are located \015\012under the black plastic cover (main fuse center), driver side under the hood behind the washer solvent bottle. \015\012

Maxi fuse 6 provides power to terminal 1 of the \015\012relay at all times, terminal 4 goes the the fan motor, fuse D3 has \015\012power with the key in run to terminal 2 and the PCM provides the ground\015\012 to make the fan turn on.
With relay 1 removed and the ignition key on you should have \015\012battery voltage at relay terminal 1 and 2. If not check Maxi fuse 6 or \015\012D3. Then make a 12 Gauge jumper wire with an inline fuse of 30 amps and jumper \015\012the relay terminals 1 and 4. The fan should turn on. If it does try a \015\012new relay. If not or the fuse blows then the fan motor is bad and needs \015\012to be replaced.
Repair Help & Product Troubleshooting for Cadillac Eldorado

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