Question about 2001 Pontiac Montana
The 3rd light is working, I changed fuses, socket plate, and brake light switch still nothing
The High mount brake light is normally a separate wire.
First thing to do is to check for power at the light socket. (use a volt meter, or a test light to a good ground) If it has power then check the ground side of the socket.
If it has NO POWER going to it, use an OHM Meter and see if there is continuity to the body of the van, if there is then it is shorted out. Check also to the fuse, if there is no Continuity, then the wire is likely broken. and you will have to chase down the entire wiring harness to find the problem.
Often I find Either the Turn signal switch or Hazard light switch causes this issue, because they interrupt the brake light to cause it to flash. BUT I'm pretty sure your van has separate Amber lights for the blinkers??
Posted on May 15, 2014
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Posted on Jan 02, 2017
Outside possibility both bulbs are defective. occurance experienced once and only once. but cannot ignore or assume possibility or probability
Posted on May 08, 2009
did you install an aftermarket radio? if so did u hook the connector with the orange and brown wires to it? mine someone grounded it and it toasted the brown wire and blew out the fuse. i would check that wire. that one brown wire controls all ur outer and dash lights.
Posted on Jul 17, 2009
generally when the fuse is ok and the bulb is ok the problem is corrosion of the ground wire and connection to the frame, or corrosion in the bulb sockets. for starters go to any auto parts store and get an aerosol can of contact cleaner especially for auto bulbs and connections.
Posted on Aug 28, 2009
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