How to?
SOURCE: pontiac montana turn signal flashing too fast
At:
http://townhall-talk.edmunds.com/direct/view/.f101976
found this discussion which might be helpful:
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No surprise at all! Common problem which has been discussed several times on this site.
Basically.....tail light(s) plugs (Pig Tails) were sub-standard and cannot stand the heat of the bulbs. Pull out hear tail light fixtures, remove bulbs from recepticals and check for melting plastic, usually between the black wire (hot wire) and one or more colored wires. If so, cut out old Pig Tail, get a replacement Pig Tail, soder it in (I think about 6 wires), and use electrical shrink wrap around sodered joint, install new bulbs using Di-electric grease in the socket. Test before reinstalling light fixture.
Jack
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The poster also mentioned something I forgot; use some kind of grease in the sockets any time you have reason to access them.
The dielectric grease he mentioned is best but if you can't find (it is and electronic item, rather than electrical), even petroleum jelly will afford some protection.
I use it on battery clamps and it helps ****** the typical corrosion.
Since most cars use the chassis for ground, even the fasteners that hold in lighting assemblies can lose contact so I always loosen, then retighten them, to ensure decent ground contact.
Check too for corrosion in the light sockets themselves.
Dunno why it is so tough to seal a compartment but our US manufacturers can't seem to get it right.
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SOURCE: real right turn signal light - Pontiac Montana SV6 2005
If the 2005 Montana is similar to the 2001 Montana, I have a solution. First you'll need a hexagonal wrench (the 6-sided L-shaped wrench). The tail light assembly is held on by two screws. You'll need the hexagonal wrench to remove them, because a normal screwdriver won't do it. I also had to use a conventional adjustable wrench to get the leverage to turn the hexagonal wrench, because the screws were in there pretty tight. Once you remove the two screws, the whole tail light assembly should come off. Mine required a little force and I had to play with it a bit, but it came off without a lot of work. There will be one set of wires that connects the tail light assembly to the rest of the minivan--try not to damage that set of wires. Once you get the tail light assembly off, you'll have to take apart the assembly that actually holds the lights. No tools should be required. It's held on by four plastic catches. Just undo the catches (easier said than done, but still not too tough) and it comes apart. Then you can pop out the old light and pop in the new light. Then re-assemble. For me, it went back together much easier than it came apart.
SOURCE: 97 Pontiac Trans Sport. Turn signal problem
verify the ground wire is good, black wire, its down on the frame rail, opposite of the air filter housing, if thats OK, it, could be the turn signal switch. but the wires go from the turn signal switch, through the Daytime Running Lights Module, through the fuse panel under the hood, then to the light socket. wire is light blue / white coming out of turn signal switch to DRL module, then its light blue all the way to the socket.
Testimonial: "Sounds like a place to go to check, the grounding. Thanks"
SOURCE: 2004 Pontiac Grand Prix GTP front pass turn signal doesn't work
you would need to buy a blinker relay
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