1997 Jeep Grand Cherokee "test heater blower relay" Questions

...heater and a/c does not work. I removed it and checked with battery outside vehicle-OK. Replaced blower motor relay in fuse box passenger side-OK. Replaced blower motor resistor-OK. Checked relay for ...

...heater/ac fuses first replace if bad..see if there is power to the blower motor connector if so reconnect and check ground wire for the motor.. if still no blow, take motor out and test for operation ...

...test-light or VOM, don't just "eyeball" them as they often break at the very end. Then check the heater/A/C relays on the electrical panel. The heat/cool is controlled by a stepper motor which opens ...

...test before replacing anything. The resistor block on the heater plenum is probably bad...these tend to open over time and will cause this type of failure...to find it, it will be near the fan motor ...

...checked battery could be weak.your current drain can be caused by many things, like radio,faulty power lock, dome light remain on,faulty pcm,faulty alternator,faulty heater blower motor

...heater issues, are unrelated off the JUMP is car opted with the manual HVAC or the fancy climate control system. ? the are NOT THE SAME. the book , the real factory service manual is posted here 300 ...

heater blower dead, blower key word 2: ac DEAD sure it is with #1 PCM logic does that. 3:blinker something , dead, stuck on, one works 3 dont what? 4: high low cooling fans, underhood or dash? 5: does

...heater motor, use your hand and just smack on the housing around the blower, should be under the dash on the passanger side of the car, don't slam it but a couple of good feeling raps, use your hand ...

...test. the jeerking (spelled wrong to fool the stupid bad words engine) Jeerking is usually engine gross misfire, or loss of DC 12v electical power to the EFI systems. called DC power loss or battery ...

Heater Fan/Blower does not work. Have replaced / Tested th Heater/Blower relay no luck. The Heater/Blower was taken out and bench tested and ran just fine.. The Relay in the fuse box under the hood ...