Question about 1994 Jeep Grand Cherokee
I have a 1994 jeep cherokee with AW4 automatic 4 wheel drive transmission. I drove my son to school the other morning, turned it off, then tried to start it back up about 10 minutes later and nothing. All the dash lights come on as they should, key buzzer sounds, etc., but it won't crank. Starter is getting power, had it table tested and it works fine. Someone suggested check the continuity on the neutral safety switch plug, which I did, and the 1-2 gear wasn't showing continuity. I assumed this was the problem, took the switch apart and cleaned it, checked it by turning it manually and it now showed continuity in all positions. Put it back on, and still nothing. Checked continuity again and again no continuity in 1-2 gear. I checked the shifter, and it appears that it isn't going back far enough to turn the neutral safety switch into the correct position. Does anyone know if this could be my problem and that maybe there's a transmission linkage problem, or is there something else that can cause this, such as a starter relay, module, ignition module or something?
I had the same problem with my 94 jeep and i ended up finding out what was causing the problem was the starter relay in the fuse box under hood, i believe its the second or third relay. Try turning the key to the start position and leave it there and poop open ur hood and manuelly start the relay
Posted on Nov 22, 2008
There is a small wire next to the main wire on the starter (if GM type starter) if Ford type (with solenoid on fender, not on starter) procedure is done at the solenoid.
1. Turn on headllights Have a friend turn the key to crank engine. if hl go out, remove battery terminals connection and clean. 2. use a test light and hold it to the small wire on the solenoid. when key is turned to crank, there must be 12v there Or, battery voltage.(using a volt meter is better)
If there is 12v there, solenoid is shot. If there is low voltage, check both battery conections at starter. block, and both wires (big ones) on ford type units.If there is no voltage at the small wire, you may have a bad ignition (unlikely)or saftey switch. If all OK, use a jumper wire and connect on gm type across small wire (not too thin or it will burn up) to batt terminal on solenoid on ford type use a regular battery jumper cable from battery + to starter battery connection (careful with sparks etc) If starter operates, change solenoid. If nothing happens, change starter.
(ALWAYS KEEP YOUR HANDS AND OTHER BODY PARTS AWAY FROM FAN, BELTS AND PULLEYS WHEN TESTING)
Posted on Nov 07, 2008
That is a problem. you have to solve that one first and see if it will start now. if not, then there could still be problems. do you have an alarm? immobilizer?...
the safety switch should have continuity when the shift lever is in neutral and park, should be open when the lever is in other position.
tnx 4 using fixya,
Posted on Oct 14, 2008
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Posted on Jan 02, 2017
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