I also put my test light to the fuse box on the empty stoplamp fuse slot.
2003 cadillac cts 3rd brake light fuse.
Cts second generation forum 2008 2013.
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The underhood fuse block is located in the engine compartment on the passenger s side of the vehicle.
The third brake light does not come on is there a fuse for just that.
I was preparing.
Fuse box diagram location and assignment of electrical fuses and relays for cadillac cts cts v 2003 2004 2005 2006 2007.
Through the use of a multimeter you can troubleshoot the issue.
When i put it on the metal tabs my light goes on for one side but not the other.
I have a 2003 cts and the brake light fuse burns out when i start the car.
2004 cadillac cts break lights hello.
Some guys replaced it with a strip of leds some try and second source the balast.
I have a 2010 cts and my third brake light stopped working as well.
2008 2013 cts general discussion.
Cadillac cts mk1 fuse box engine compartment.
Or i was told its a cadillac thing and you have to replace it i was also told to send it to rush is th states and he changes them to led for only 82 95.
Or you could look on ebay and try and get lucky with the whole assembly.
See how to change the center brake light cbl on your cadillac cts in the video above.
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There is a relay called the bas relay brake assist that controls both the top brake light and the lower lights since the top light works the relay is doing its job however the relay output is connected to several white wires that carry the same voltage to all brake lights one of those white wires the one that carries voltage to the lower.
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Something tells me it s not an easy fix.
1 product rating 2003 2007 cadillac cts 3rd third brake light.
Try doing a search on this forum for 3rd brake light or neon brake light.
2 product ratings for cadillac cts 2003 2007 third brake light assembly dorman 923 239 new.
Cadillac cts 2003 fuse box diagram.
There is some good.
Brake lights remaining on in a 2003 megane 1 4 can be an indication that there may be a bad fuse a wiring issue or a bad switch.