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Old 09-22-2006, 01:42 AM
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Wanting to install trunk opener.

Hello. My 1986 Grand Prix has no way of opening the trunk other than the key. I was wanting to install an electric trunk opener. My though was to pull out the button/activator out of a similar year Monte Carlo.

Initial questions:

1. Will I have to change the latch assembly, thus having to change the lock? Or maybe I should be asking this somewhere else?

2. Where should I draw my power from? I was thinking the 12V constant from the cigarette lighter? But I already am drawing off of that for my stereo, will this be a problem?

3. Forgive my ignornace...Do I have to use a switch I found that did the same thing, or could I find a different swtich or button of any sort?

Thanks for all the help.

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Old 09-22-2006, 05:21 AM
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I think I would use the GM switch and put it in the fact. position.
S/B the glovebox.

I did the same with my 88 pont. Bonneville + added power seats.
Rather than splicing into the cig lighter, I would tap into the fuse box.

The lighter circuit would take the load of the lock w/out the stereo.

(Thought happening here) Perhaps in your car you have a power door lock tap??
That would be the ideal place to tap or splice into---20 amp circuit, dedicated to locks, constant hot, existing wires.
(power seat circuit would work as well--30 amp-dedicated constant hot.)

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Old 09-22-2006, 05:02 PM
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Doc here,

For all the fabrication you will have to go through to get a trunk pop lock to fit, plus getting a small throttle type cable to pull the latch, then it may or may not be able to overcome the force require to open the latch...for a GP Vs a Monte..(may work..may not..

Have you considered a Trunk latch kit..Cheap enough..and comes with everything you may need to install it..including instructions..Compaired to "bit part" buying, and "Winging it" with a collection of parts that may not play well with others..

Just a thought from my "been there Done'" that files...

I wouldn't use that Cig lighter power for anything else..It at best is fused 5 to 10 amps and probably under-gauge wire to boot..by the time you get a wire to the trunk, it will be so current swamped it won't be able to have the solenoid pull a load..

You should run a New fused, switched wire from the buss..go about 12 gauge on the run, and fuse it about 15 to 20 amps..you want that solenoid to get the maximum current from the source so it will "Pull" more work..and not lose current in heat loss.

You might try a mid 80's Olds mid/Full sized Car for a trunk lock system if you don't want to go with a kit..I think it might be a closer match..as I remember..

Just some ideas..

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Old 09-23-2006, 02:54 AM
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Trunk Release

If you go the local salvage yard, you should be able to find a GM car with the push button in the glove box. just take the entire trunk release assemble out, including the wiring. It will bolt into your GP.
I did this on a 78 Olds Cutlass........removed it from a Pontiac.

Have A Great Day, Bob
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