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2003 Dodge Ram interior lighting

Tiny
GMCRET93
  • MEMBER
  • 2003 DODGE RAM
All my interior lights( reading. Couristous and cargo lights are not working also the power to the mirrors is gone. Trying to find wiring diagram for this. Trying to figure out how the two are related, both were working up till about a month ago. Grandaughter cleaned inside. All fuse's are good.
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Saturday, November 22nd, 2014 AT 10:02 AM

7 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
All ligs go through integrated power module so have a pro scan for that. The mirrors go to the same thing then to driver door module so either could be screwed up. So it will need scanning by a pro not auto parts.
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Saturday, November 22nd, 2014 AT 11:54 AM
Tiny
GMCRET93
  • MEMBER
  • 4 POSTS
You mean the power switch for the mirrors and windows
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Saturday, November 22nd, 2014 AT 2:37 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
No power that goes through so you can turn the lights on for the courtesy lights and power mirrors goes through that module it needs a pro to scan it to find out if it's working or not
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Saturday, November 22nd, 2014 AT 3:42 PM
Tiny
GMCRET93
  • MEMBER
  • 4 POSTS
But when I turn the interior light switch on and open the door the truck chimes like I left the lights on. But they aren't.
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Saturday, November 22nd, 2014 AT 3:59 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The module controls whether or not they work
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Saturday, November 22nd, 2014 AT 4:07 PM
Tiny
GMCRET93
  • MEMBER
  • 4 POSTS
Where is the control mod?
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Saturday, November 22nd, 2014 AT 4:29 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Under hood lh side and it has 3 fuses in it. You can't change it because it has to be programmed to your vehicle a pro has to do it with a scanner. It controls many things besides the lights and mirrors.
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Saturday, November 22nd, 2014 AT 4:41 PM

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