Questions & Answers for: Jeep Grand Cherokee 12v fail

starter 12v with key turned to start. If there is power there, starter is bad. Ignition switches do fail, but far more infrequently than the items I listed. Good luck.....any additional questions, ask

...switch and is not responding or that starter solenoid (on starter) is doing the same. If there id 12v at the starter main lead and 12v at the smaller starter terminal with key in start position, ...

...and to the compressor and it has been re-gased with the correct amount of gas then provide a 12v suply to the compressor to see if the clutch works if this fails the coil in the compressor is ...

...to turn em on and they dont come on. Only one emergency light flashes. Check that your battery has 12v, check and clean terminal contacts. If battery has less than 12v have it charged and load

...power to the starter wiring. It may be possible that the ignition switch failed. If the starter has 12V power, remove them and check if the starter is Ok when ...

...a volt meter. Power requirement of interior is far lower than the starter needs. Check battery for 12v, check that posts & terminals are clean and secure, Check starter relay in the power ...

...fail to operate. Though the lights come on it does not tell you much about the battery capacity. Make sure it has been fully charged and load tested or any testing you do will be invalid. Also check ...

the 85/86 relay coil pins 12v is bad, the IPM is commanding wipers full time. (keyon) 0v is good, and relay is TOAST> The IPM is the thing that holds the wiper switch. it too can fail but i bet not

...use a voltmeter at the 2 power pins, one goes to 0volts when you turn it off the other stays hot. 12v. this is normal if the motor fails to stop, the motor internal switch is bad. the tests are

...12v is missing the PRNDL is bad. assumes the ground to the PRNDL i good. see 8 ways to crank here ,tricks, M/T rule on cranks....2 ways. http://www.fixkick.com/nocrank.html#tricks i just hot wire the ...