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2003 Saturn L-Series - Page 6 Questions & Answers
Brake lights on my 2003 Saturn L200 won't come one
I just solved a similar problem on my 2003 Saturn. The tail light assembly had gotten wet on a stormy night with the trunk open. There was no problem until the weather turned cold. After looking at the fuses, relays, brake switch etc. I got my trusty voltmeter out. Testing the voltage on the light blue wires in my tail light connector I found the required +12Volts for the brake lights when the brake pedal was pressed. Checking the lamp sockets I found the 12 volts was still present when the brake pedal was pressed. The water that leaked into the bulb connectors (right and left) and spread the contacts when the water inside them froze! Blowing out the water and pushing the contacts back together solved my problem! Lesson...Keep the trunk closed when it's raining hard and dry out the bulb connectors if they get wet.
Gauges stopped working
Check the fuse in the fuse box, if that's ok check the wire harness that connects to the back of the instrument panel. Good luck and hope this helps.
2003 Saturn L300 AC reads OC EXT and blows ambient air.
I'm going to say the outside temp sensor is damaged or disconnected.The body computer does not know what the outside temp is so the system is disabled. The sensor is probably in the grille area or behind the bumper cover.
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