Interior Lights Went Out
Thread Starter
Junior Member
Joined: Mar 2011
Posts: 16
Likes: 0
From: Ionia Iowa
Car: 88 Formula Firebird, 86 Firebird
Engine: 305 TBI and crate 350
Interior Lights Went Out
Well basically i got in my car the other day (88 firebird) and found that the dome light and the two lights by the feet in the front that normally shut off when you close the door did not shut off. i had to take the bulbs out so it wouldnt kill the battery..........i have never had this kind of problem before.......ideas?
Thread Starter
Junior Member
Joined: Mar 2011
Posts: 16
Likes: 0
From: Ionia Iowa
Car: 88 Formula Firebird, 86 Firebird
Engine: 305 TBI and crate 350
Supreme Member
Joined: Sep 2002
Posts: 9,192
Likes: 19
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: Interior Lights Went Out
The door switches make a ground connection when the door is opened, and cut off this ground connection when door is closed (the interior lights have 12v+ to them all the time, and the ground is turned on/off by the door switch). If the wire to the switch is getting grounded anywhere, the lights will remain on until that ground is interrupted.
Supreme Member
Joined: Jun 2005
Posts: 1,800
Likes: 2
From: Bremerton, WA
Car: 1992 RS / 1989 RS
Engine: 3.1L MFI / Vortec 383 TBI
Transmission: T5 / LS-T56
Axle/Gears: 3.42 open / 3.73 Eaton posi
Re: Interior Lights Went Out
NO - say the pass door is closed, and never opens. You open driver door, lights go on, close driver door, lights go off - that is all a function of the driver door switch - has nothing to do with the pass side door.
The door switches make a ground connection when the door is opened, and cut off this ground connection when door is closed (the interior lights have 12v+ to them all the time, and the ground is turned on/off by the door switch). If the wire to the switch is getting grounded anywhere, the lights will remain on until that ground is interrupted.
The door switches make a ground connection when the door is opened, and cut off this ground connection when door is closed (the interior lights have 12v+ to them all the time, and the ground is turned on/off by the door switch). If the wire to the switch is getting grounded anywhere, the lights will remain on until that ground is interrupted.
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