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: replace the front turn signal light bulb
you have to go under the front of the car. very easy to fix.
SOURCE: Replacing front turn signal bulb on 2006 Cadillac SRX
wow i feel sorry for you because Cadillac designed this bulb to be a don't get to bulb but OK here's what you do take the bottom cover off or skid plastic panel under neath the front end theirs little plastic clips holding it on just get come dikes and don't cut them but just use it to help pull them out. after you get that off use a flash light and locate your light housing you should see two screws holding the house in i think those screws are 8mm i cant remember remove those two screws and be careful the metal from the bumper cuts you pull the light housing out and remove all the screws around the housing and open the housing up replace the bulb and make sure your contact to the bulbs clean and then reassemble the way you took apart. if you cant get it well then best bet is take it somewhere i know Cadillac charges an arm and a leg so you can go somewhere else.
SOURCE: rt front turn sighal burned out - how to access bulb to replace
There is a latch to the Van's outside just insert a flat blade screw driver and the turn light assembly will swing toward the middle of the van.
Once open the lamps twist out.
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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