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  #1  
Old 03-07-2011, 05:58 AM
02maz 02maz is offline
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Default OHC problems

I hate to make another ohc thread but I'm stumped. Me and a friend were doing the wiring last night and I'm almost positive we wired it right, we double checked before we made and connections and we went over it several times after we were done, everything appears to be right. The map lights come on but the display does not. I'm assuming the map lights have nothing to do with the display right? We tried different grounds, and even ran power right to the ohc through the VSS wire and the red/black;light blue/red wire and still got nothing. Like I said we checked the wiring and all the connections as far as we can tell we followed the directions perfectly.

Any help would be greatly appreciated.

We used the alternate colors since they seemed to match what I have.

Alternate OHC wire colors

red/black............. light blue/red - radio or HVAC panel
black.................. chassis ground
gray/yellow.......... yellow/black - radio
gray/black........... gray/black at GEM connector
black/light blue..... black/light blue at dome
light green/orange. light green/orange at dome
blue/white........... temp sensor
blue/yellow.......... temp sensor
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2002 Mazda B3000 3.0L V6 4X4 | 2010 F-150 | 1990 Jeep Commanche 4.0L |
Mods:
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Mustang dome light | Explorer OHC | Rampage LED brakestrip | maxed t-bars | Dixie horn | painted interior accents | undercoating | Cooper Discoverer AT3s

Mods to come: louder exhaust
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  #2  
Old 03-07-2011, 06:26 AM
rwenzing rwenzing is offline
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Default Re: OHC problems

If you are absolutely sure that the wiring is correct and that you have power where you should, then there is another possibility. The display in the Ex overhead console can sometime go out intermittently or completely for internal reasons. Connections on the PC board may overheat and crack the solder joints.

http://www.explorerforum.com/forums/...d.php?t=187953
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  #3  
Old 03-07-2011, 08:33 AM
02maz 02maz is offline
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Default Re: OHC problems

Ok thanks I'm gonna take it apart and see what it looks like in there
__________________
2002 Mazda B3000 3.0L V6 4X4 | 2010 F-150 | 1990 Jeep Commanche 4.0L |
Mods:
off road lights | back up lights | auxiliary bed lights | interior LEDs | rhino liner | John Deere mudflaps | fog light mod | air box mod
Mustang dome light | Explorer OHC | Rampage LED brakestrip | maxed t-bars | Dixie horn | painted interior accents | undercoating | Cooper Discoverer AT3s

Mods to come: louder exhaust
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  #4  
Old 03-07-2011, 09:11 AM
02maz 02maz is offline
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Join Date: Sep 2010
Posts: 1,528
Default Re: OHC problems

Took it apart and I think it looks like something is missing where the red box is. In the blue box I think I can see a little bit of wire.




I did some more research on that explorer site and I'm pretty sure I'm missing a 510 resistor where the red box is. Everyone else in that thread seems to have two of them and some of them said that theirs fell out and they put it back on and it worked. Unfortunately I can't find mine so looks like I have to go get another ohc. I think this is the problem.
__________________
2002 Mazda B3000 3.0L V6 4X4 | 2010 F-150 | 1990 Jeep Commanche 4.0L |
Mods:
off road lights | back up lights | auxiliary bed lights | interior LEDs | rhino liner | John Deere mudflaps | fog light mod | air box mod
Mustang dome light | Explorer OHC | Rampage LED brakestrip | maxed t-bars | Dixie horn | painted interior accents | undercoating | Cooper Discoverer AT3s

Mods to come: louder exhaust

Last edited by 02maz; 03-07-2011 at 10:05 AM.
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