1990 Toyota Corolla "compressor wiring relay" Questions

1990 toyota corolla aux fan is not working and the compressor for ac Several option: a. Check fuse b. Check lose wiring c. Check relay and socket d. Check thermostat control and wires

...compressor is hotwired to a fuse. I want to fix this problem because it is draining my battery. 1) you must test 3 sections: a) relay for a/c  b) clutch of compresor and c) finally check the ...

...- Ensure the refrigerant gas in the system. - Check fuse, relays, refrigerant pressure switch on discharge line and wiring harness. - Check the thermostat operation. - Check the compressor

...not replace the fan assembly... if it does run then you have a bad cooling fan relay. Compressor choice depends on your finance... a rebuilt unit is going to be a lot cheaper... Hope this helps...

...compressor replaced/charged cooling fine preasures ok.replaced ac amplifier,and fan relay #3.Ran clutch through meter current draw was 2.9 amps. No short to ground on load side of 7.5 amp ac ...

compressor. 25 amp Fuse is goood. check if this is a power wire or earthing wire, do a continuity test , one to chassis ,one to power , if get no continuity then the wire has a break in it somewhere I

...the relay is shot. If you connect wires from both sides of the relay, the compressor should engage. ( DO NOT join the coil wires, it will be a dead short! Join the supply wires for the

...wiring diagram the ac compressor will not turn on. the wiring is good from the compressor to the fuse panel under the hood. the relay switch and 10amp fuse are good. I did omhs check from the fuse ...

...compressor relay . Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? -- YES Go to Step 13 -- 11 Replace the level control compressor relay. Did you complete the replacement? ...

...relay socket ,pin 30 to pin 87 will engage the compressor clutch . If the fuse blows the wiring from the relay to the compressor clutch is shorted to ground . Look for rubbed through wiring harness