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post #1 of 7 Old 02-11-2013, 09:18 AM Thread Starter
914pete
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2002 WJ 
 
Join Date: Jan 2013
Location: basking ridge
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Wj Reverse lights

I noticed this weekend when I engage the shifter in reverse my back up lights don't come on. If I leave it engaged (reverse) but pull a little harder on the stick the lights come on.

Does anyone know if there is some sort of adjustment for this or maybe a switch that needs replacing? If so, where is it?

2002 Jeep grand Cherokee Laredo 4.0 original owner, 198,000 miles.

Thanks!

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post #2 of 7 Old 02-11-2013, 09:28 AM
5-90
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1988 XJ Cherokee 
 
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I'm not sure where the reverse lamp switch is on the 42RE, so I'm going to suggest a trip to the library. Chilton's may tell you were it is, but Motor/Mitchell tells you about as much as the FSM does.

(And start looking for an FSM - you can usually score them relatively cheaply on eBay. <$40 is "relatively cheap," since original price on them runs up around $100-120, new...)

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post #3 of 7 Old 02-11-2013, 09:57 AM
buns_1
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I think the Neutral Safety Switch triggers the reverse lights on the 4.0.

2004 WJ Overland Edition, 3" IRO Lift, Yakima Loadwarrior Rack with back fog lights, 245/70/17 BFG TA/KO's, LED Fogs and HID driving lights on bumper, ARB Front bumper and custom rear bumper.
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post #4 of 7 Old 10-11-2013, 01:02 PM Thread Starter
914pete
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Location: basking ridge
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Yes, it was the neutral safety switch. $28 (OEM) and 5 minutes to replace. Thanks for the help fellas.
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post #5 of 7 Old 10-11-2013, 11:53 PM
doorjamm
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2000 WJ 
 
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Location: Rocklin
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Quote:
Originally Posted by buns_1
I think the Neutral Safety Switch triggers the reverse lights on the 4.0.
Does it for the 45rfe on a 4.7 too?
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post #6 of 7 Old 10-12-2013, 11:20 AM
utekking
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2014 WK 
 
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No it doesn't do it for the 45rfe. That is controlled by the TRS solenoid that is mounted on top of the valve body. I am replacing mine this week for this reason.
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post #7 of 7 Old 10-16-2013, 07:31 PM
utekking
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2014 WK 
 
Join Date: Feb 2011
Location: Easton
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doorjamm, I replaced my TRS assembly and it fixed my light issue. It's a pita but I saved at least $500 doing it myself. There are 2 different assemblies, A white plug and black plug. White is the newer one, it has a different screen filter with it vs the black one. I forget what the internal change was but I was told by the dealership they are interchangeable. My 04 had the black plug even though the 04 is supposed to have the white one. I swapped the black for the white and no issues at all with it.
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