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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Auto headlight upgrade.

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Unread 03-05-2013, 09:27 PM   #1
xcaliber81
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1994 ZJ 
 
Join Date: Jul 2012
Location: Prince George, B.C
Posts: 2,855
Auto headlight upgrade.

OK so i searched found some info, now for my questions I got the sensor got the auto headlight switch put everything in and my auto headlights do not work I have all the pins behind the auto headlight are filled up only 3 is left blank. What now is there something I missed a relay? could the sensor be bad? Need some advise as what to check.

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Unread 03-05-2013, 09:47 PM   #2
KoreaZJ
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1994 ZJ 
 
Join Date: Aug 2011
Location: GANGNAM STYLE
Posts: 2,666
Which pins are empty?

#5 = +12v
#6 = GND
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Unread 03-05-2013, 09:53 PM   #3
xcaliber81
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1994 ZJ 
 
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All pins behind the headlight switch are full only 3 is left blank but there is nothing in the fsm for 3 either.
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Unread 03-05-2013, 09:58 PM   #4
torchd
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you need the relay that goes by the drivers side kick panel
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[b]1998 Jeep Grand Cherokee Laredo[/b]
2" BB Pucks | SkyJacker Hydro Shocks | Rubicon Wheels | Cooper 245/75/16 Tires

[b][color=red]2002 Trans Am[/b][/color]
Cam, Full Exhaust, Stock Heads, Stock LS6 Intake and Stock 10 bolt with 3.42s
[b]420 RWHP and 382 RWHTQ[/b]
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Unread 03-05-2013, 10:01 PM   #5
xcaliber81
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Drivers side kick panel any specific location?
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Unread 03-05-2013, 10:08 PM   #6
torchd
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Quote:
Originally Posted by xcaliber81 View Post
Drivers side kick panel any specific location?
if your 94 is like my 98, it will be in this location.. the relays are right by the blower motor

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[b]1998 Jeep Grand Cherokee Laredo[/b]
2" BB Pucks | SkyJacker Hydro Shocks | Rubicon Wheels | Cooper 245/75/16 Tires

[b][color=red]2002 Trans Am[/b][/color]
Cam, Full Exhaust, Stock Heads, Stock LS6 Intake and Stock 10 bolt with 3.42s
[b]420 RWHP and 382 RWHTQ[/b]
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Unread 03-05-2013, 10:21 PM   #7
caseyliffick
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1995 ZJ 
 
Join Date: Jan 2011
Location: Kansas City, KS
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I remember when I bought my old ZJ, the guy said that he thought the relay was going out and that's why the headlight was wonky.

Let me know if you get this up and running! I'd love to finish my upgrade
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Unread 03-05-2013, 10:23 PM   #8
xcaliber81
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lol ya but where is that are you sure i have that junction block?
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Unread 03-05-2013, 10:48 PM   #9
xcaliber81
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ok so i pulled my glove box found a small junction block
20130305_214523-1-.jpg  
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Unread 03-05-2013, 10:50 PM   #10
xcaliber81
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ok so the 2 small yellow ones have nothing behind them to plug in. i have nothing to plug into the large yellow slot, and i have a spare relay that i plugged into the grey slot and nothing.
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Unread 03-05-2013, 11:04 PM   #11
xcaliber81
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could the auto switch not be working?it works fine to turn the headlights on and off it just does nothing in the auto section. I cannot find that junction box anywhere i have relays under the hood and behind the glove box thats all i can find.
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Unread 03-05-2013, 11:28 PM   #12
Primordial
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1995 ZJ 
 
Join Date: Jan 2013
Location: Goose Creek, SC
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I just did this in my 95. All I needed to install was the blue sensor under the defroster grille, the auto headlamp switch and the auto headlamp module...that last item goes just to the left of the relay block under the glove box. It's a tight squeeze to get it in there but I was able to install it without taking the dash apart...only thing is I was only able to secure it with one mounting screw instead of two but I haven't had any issues. Let me know if you need me to take a picture of the module for you. It won't be until tomorrow (Wednesday) nightbefore I can tthough. If you can't find any modules I might be able to dig some up from the local junkyards when I get home next week. There are quite a few with auto headlights in them.
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Unread 03-05-2013, 11:37 PM   #13
xcaliber81
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1994 ZJ 
 
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Sweet can you take a pic for me I'm sure this module is what's causing my issues. Don't worry about going to the junk yard I'll have to pay shipping and duty on probably a cheap part lol
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Unread 03-05-2013, 11:47 PM   #14
Primordial
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No problem... like I said it will probably be tomorrow before I can take the pic though...
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Unread 03-05-2013, 11:59 PM   #15
xcaliber81
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Sweet thanks man my jeep is in pieces lol my dash is laying all over the interior I guess since it's on the passenger side I can put my dash back together or should I wait. Also what could I do to make it easier to get to that spot where the module is?
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