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Unread 06-02-2013, 09:48 PM   #1
96gdck
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1996 ZJ 
 
Join Date: Jun 2013
Location: Lafayette, Indiana
Posts: 6
96 laredo

Lower dash screen saying coolant sensor bad and rear lamp failure. What do they mean?

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Unread 06-02-2013, 09:56 PM   #2
jm8881
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1996 ZJ 
 
Join Date: Oct 2005
Location: , California
Posts: 396
Quote:
Originally Posted by 96gdck View Post
Lower dash screen saying coolant sensor bad and rear lamp failure. What do they mean?
Basically it means that you didn't use the search button.

The vic is prone to bad connections and weak solder joints. There is a how to on here somewhere that shows you how to fix the coolant sensor problem.

As far as the rear lamp failure I'm not sure but someone is bound to chime in.

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Unread 06-03-2013, 07:02 AM   #3
Dubfire98
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1996 ZJ 
 
Join Date: May 2013
Location: Knoxville, Tn
Posts: 204
yea the bad coolant sensor is almost always the solder joint on the inside of the vic (if your coolant levels are normal). if you take the vic apart there is a pink with black stripe wire, inspect the solder joint for a miniscule crack and repair. As far as the rear lamp failure... Well plainly put... You have a tailight or something similar burnt out. Its usually one of the smaller third brake lights on the top of the hatch. Hope this helps.
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Unread 06-03-2013, 08:46 AM   #4
96gdck
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1996 ZJ 
 
Join Date: Jun 2013
Location: Lafayette, Indiana
Posts: 6
That's just it. None of the lights are burnt out but it's saying the failure.
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Unread 06-03-2013, 10:56 AM   #5
Dubfire98
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1996 ZJ 
 
Join Date: May 2013
Location: Knoxville, Tn
Posts: 204
hmm... id start by removing the vic and taking it apart and inspecting the solder joints. They are pretty shoddy from factory anyhow.
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Unread 06-03-2013, 08:14 PM   #6
ZeeJay1997
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1997 ZJ 
 
Join Date: Dec 2008
Location: Sweet Home, Alabama
Posts: 6,382
there are three bulbs in the third brake light. if one is out, you get the message.

OP, fill out your jeep info so it shows up
<--- over here
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Unread 06-03-2013, 08:53 PM   #7
JasonStebbins
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1997 ZJ 
 
Join Date: Jan 2009
Posts: 3,139
Quote:
Originally Posted by ZeeJay1997 View Post
there are three bulbs in the third brake light. if one is out, you get the message.

OP, fill out your jeep info so it shows up
<--- over here
Also check the corner bulbs on the tail lights. I didn't even realize I had them until I pulled the lenses out one day to clean everything.
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Unread 06-04-2013, 08:35 AM   #8
96gdck
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1996 ZJ 
 
Join Date: Jun 2013
Location: Lafayette, Indiana
Posts: 6
Where do I fill out my jeep info? The arrow isn't pointing anywhere.
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Unread 06-04-2013, 08:52 AM   #9
96gdck
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1996 ZJ 
 
Join Date: Jun 2013
Location: Lafayette, Indiana
Posts: 6
Nevermind I figured it out. I'm on an app on my phone and I had to go to the actual website
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Unread 06-04-2013, 07:10 PM   #10
96gdck
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1996 ZJ 
 
Join Date: Jun 2013
Location: Lafayette, Indiana
Posts: 6
Ok so I found out today why the screen is saying rear lamp failure, the tail lights are staying on after the jeep is off and key is out, and the lights are not on. Unhooked the battery and hopeing it resets it, but if not are there any suggestions?
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Unread 06-04-2013, 07:14 PM   #11
JasonStebbins
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1997 ZJ 
 
Join Date: Jan 2009
Posts: 3,139
Tail lights or brake lights? If all three of the brake lights are illuminated then replace the brake switch under the brake pedal.

If it's only the tail lights I would guess your headlight switch is bad. The soldering is pretty cheesy on a lot of the ZJ parts.
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Unread 06-04-2013, 07:31 PM   #12
ZeeJay1997
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1997 ZJ 
 
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Location: Sweet Home, Alabama
Posts: 6,382
Just to eliminate it as the cause, open the little cubby hole on the floor behind the spare and disconnect the lamp outage module. Then join the two connectors you took off together, bypassing the module.

if that doesnt work, be doubly dang sure you see three lamps in the high brake light.
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