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Old 03-09-2016
Thread Starter
Join Date: Aug 2015
Location: Kelowna, British colombia
Posts: 9
Need help with rear door locks.

Hello, recently my 2002 Mazda b4000's rear doors have been acting strange. Everytime I open the rear doors, the open door light comes on and doesn't turn off for about 3 minutes, even when the doors are closed. This gets very annoying because also the light in the cab comes on and makes it extremely difficult to drive at night. Also one day I'm worried the light will stay on and drain my battery. I have no expire nice with door electricals but am quite mechanically knowledgable. Could anyone help me out please!!!
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Old 03-09-2016
Just Pete's Avatar
Join Date: Aug 2014
Location: Cullman, AL
Posts: 65
Spray the latch mechanism with WD-40, seems to work for the front door locks,and the door ajar light.
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Old 03-09-2016
Join Date: Mar 2016
Location: Drayton ON
Posts: 14
I have a similar problem, but it's when I hit bumps, the door ajar light will turn on, turn off, over and over. WD40 on the front latches didn't help, think I'm going to have to pull the door panels off the back doors and see if silicone lube or WD40 on the rear door latches will sort it out
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