Does the 95'* PCM have it where if the coolant temp reaches a ceartin temp, then the computer will shut off the car?

I believe this will identify what the relay'* belong to.

I turned on the A/C and then had the heat on high and then lowest and the both engine fans did not turn on.

I took one of the relay'* out for the cooling fans and there are 4 fins in the bottom. How do you check to see if the relay is working or not?

Apply ground to either 85 or 86 and power to the other while measuring for continutiy between 30 and 87 ( or 87a, whichever has the connector.)

85 and 86 create the magnetic force that pulls the switch from 87A to 87 and connects it to 30 IIRC.

I believe that'* the correct way to test a 5 pin relay. I'm trying to test a 4 pin relay, therefore pin # 87a does not exist.

The only difference between the 5 pin and the 4 pin relay is that the 5 pinned ones have both a normally closed and a normally path. They are considered the universal fit relay. 30 to 87a is for normally closed and 30 to 87 is for normally open.

You can purchase the 4 pin relays in either normally open or normally closed configuration but the pins will still be labelled 30 & 87 on both kinds.

Ok here'* the update, I was checking to see if there were any loose wires and this one happened to come off. I took it all apar,t cleaned up the connection and solldered it back on. I don't know if it'* a temporary fix or permanent, but it had no effect on getting the fans to run again.



Next I took off each relay and switched them around and still the fans didn't turn on. I took off one of the relays, and crossed the connector wires with a pair of needle nose pliers and the fans came on for a second, I didn't hold the connection for long since it was raining out. When I did the same for the A/C relay the clutch seemed to engage and disengage, I hope tha'st a good thing since my A/C isn't working.

Anyone have any other suggestions, I'm still thinking that it might be the relay, but what are the possibilties that all 4 relays that I was switching around are gone?

It'* hard to tell from the picture, but is there another wire on the connection at the lower left? If not, that wire puts those two resistors in series. I can not see the upper left either, but try running a jumper wire from the upper left resistor to the connection on the upper right one. See if they work then. My guess is that one or both of those resistors are open.

Better yet...it looks as if there may be a resistance marking on the resistors. If so, and you have a meter, check the resistance of each.