95 ZJ won't start, crank, or turnover. Battery, starter good. New starter relay - JeepForum.com
 
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post #1 of 6 Old 03-26-2018, 05:21 PM Thread Starter
hansoulow
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1995 ZJ 
 
Join Date: Feb 2018
Posts: 1
95 ZJ won't start, crank, or turnover. Battery, starter good. New starter relay

Greetings,

Jeep was dead on Friday, so I charged the battery. Still wouldn't start so I took it to O'Reilly's to check it, they said it was good. Next step was to get the starter checked, took it to O'Reilly's and they said it was good and the solenoid was good as well. I got a second opinion on it at Autozone and they said the same thing: starter and solenoid good. After putting the starter back on, I put in a new starter relay. Interestingly, the Jeep started after that. I thought the problem was solved. Unfortunately, on my way out the door this morning to work, the Jeep wouldn't again start. Not sure what's next, and I'm hoping you guys can help out. Conveniently, it's also cold and raining almost all week.

What I've done so far:
  • Checked battery (It's an "18 month" battery in it's ~16th month, but O'Reilly's said it was good)
  • Cleaned terminals
  • Checked starter and solenoid
  • Replaced starter relay
  • Tried starting in neutral and wiggling the shifter
  • My reverse lights do come on (I've read that that's how you check the neutral safety switch, though I'm not sure)

Other useful information:
  • When I try to start, headlights stay full brightness and don't dim
  • Starter clicks when I try to start
  • No codes being thrown


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post #2 of 6 Old 03-28-2018, 08:07 AM
GOLDWING
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1998 ZJ 
 
Join Date: Nov 2015
Location: eau claire
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Welcome to the forum!

Clean your engine bay ground points. (disconnect, clean the terminal and anchor point, reassemble)

GW

P.S. I will post a link in a minute with pics of the grounds.

"The Dude Abides"
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post #3 of 6 Old 03-28-2018, 08:17 AM
GOLDWING
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1998 ZJ 
 
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Location: eau claire
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Check out post #23.

https://www.jeepforum.com/forum/f13/v...-drop-4221098/

GW

"The Dude Abides"
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post #4 of 6 Old 03-28-2018, 10:24 AM
kg6mov
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1996 ZJ 
 
Join Date: Nov 2012
Location: Cupertino
Posts: 15,801
If the starter solenoid is clicking then the NSS, starter relay, pcm, etc are acting correctly.

Basically, is the solenoid tries to give the motor power and the motor doesn’t spin, you’re most likely having one of three issues:

1. Battery is ****ed (not likely given the headlights don’t dim)
2. Starter motor is ****ed
3. You’ve got a bad ground/connection


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1984 F250, 460 BB, T19, work truck/future tow pig
1987 Mercedes 300D Turbo, the diesel daily, 30mpg in style

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post #5 of 6 Old 03-30-2018, 06:08 PM
RedRiverT
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1997 ZJ 
 
Join Date: Nov 2014
Posts: 535
The starter may not really be good, even though it tested OK at the parts stores. It may not develop enough torque to turn the engine. They probably just hooked power to it to see if it would spin freely.

My suspicion is battery cables, one or both, as kg mentions in his #3. If not the terminals/connections, they can corrode down inside the insulation and then the resistance gets too high for enough current to pass.
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post #6 of 6 Old 04-06-2018, 05:38 PM
MaintMech
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1996 ZJ 
 
Join Date: Feb 2011
Location: Farmington
Posts: 729
One other option is that the key switch is bad.

At first the Jeep wouldn't crank about once a month. I'd bang on the stater and it'd crank and fire. When it wouldn't fire 3 times in one day, it went to see my shop.

Turns out the ignition switch was bad. Now I have to carry two keys, one for the doors and one to start the bugger.

Yeah, I could have fixed it myself but I'm old, broke down and tired.

35 days till retirement and poverty. Then I'll have time and no money to keep this heap on the road.

'96 Grand Laredo, 4.0, Stock, Daily Driver

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