2003 dome light
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2003 dome light
I have a 2003 F-150 supercrew my interior lights will not come on when i open the doors or with the dimmer switch on the dash. The bulbs all look good and the map lights work when i turn them on. Was wondering if the relay in the fuse box may be bad. When i pulled it out the map lights went out. Just wanting some derection so i dont order a part that wont help me
Last edited by jryans; Dec 28, 2007 at 11:50 PM.
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Joined: Jun 2002
Posts: 10,511
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From: Under the flightpath of old ORD 22R
Are both the front & rear courtesy lamps out ?
The lamps that are controlled by the battery saver relay ( triggered by the GEM )
1. glove box
2. Map lights
3. Interior lamp relay
3.1. Cargo lamps
4. Interior lamps
The cargo lamps, and the door entry lamps ( think these were removed by 2003 ) are the only lamps without a separate connection to the battery saver relay.
The glove box, vanity mirror and engine compartment lamps are the only lamps without a connection to the interior lamp relay.
Check the list, if the cargo lamps work with the door or dimmer switch, I would say replace your bulbs in the truck.
Both the battery saver relay and the interior lamp relay obtain power from the same hot at all times fuse #14. Running board lamps have a separate fuse if they are installed.
The lamps that are controlled by the battery saver relay ( triggered by the GEM )
1. glove box
2. Map lights
3. Interior lamp relay
3.1. Cargo lamps
4. Interior lamps
The cargo lamps, and the door entry lamps ( think these were removed by 2003 ) are the only lamps without a separate connection to the battery saver relay.
The glove box, vanity mirror and engine compartment lamps are the only lamps without a connection to the interior lamp relay.
Check the list, if the cargo lamps work with the door or dimmer switch, I would say replace your bulbs in the truck.
Both the battery saver relay and the interior lamp relay obtain power from the same hot at all times fuse #14. Running board lamps have a separate fuse if they are installed.
Junior Member
Joined: Sep 2002
Posts: 1
Likes: 0
From: Maryland
Originally Posted by jryans
I have a 2003 F-150 supercrew my interior lights will not come on when i open the doors or with the dimmer switch on the dash. The bulbs all look good and the map lights work when i turn them on. Was wondering if the relay in the fuse box may be bad. When i pulled it out the map lights went out. Just wanting some derection so i dont order a part that wont help me
