changing spark plugs on a 2004 Alero

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guylowe736
Posts: 1
Joined: Sat Dec 29, 2012 1:29 pm

changing spark plugs on a 2004 Alero

Unread post by guylowe736 » Sat Dec 29, 2012 1:35 pm

How do I get the plug wires to come off the spark plugs on a Alero 2004 4cyn

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wildman
Posts: 49
Joined: Tue Aug 03, 2010 10:00 pm

Re: changing spark plugs on a 2004 Alero

Unread post by wildman » Sat Dec 29, 2012 3:05 pm

A tool like this may help :: Image
A parts store should be able to loan you the tool if you ask.
But' if the wires are really stuck and not coming, a lot of times the metal contact will be too and slide off when the wire is removed.
Shade-tree mechanic

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chadwagner
Posts: 2
Joined: Mon Jun 09, 2014 9:16 am

pontiac grand prix

Unread post by chadwagner » Mon Jun 09, 2014 9:19 am

I took a supercharger lower intake manifold heads fuel pump and wire harness with computer and fuse box from a 97 gtp and put them on my 99 grand prix gt I'm having wire issues running lights stay on when key is not in also idling very rough could be a bad fuel injector but can't get readings from computer I'm going to get a harness from a 99 gtp and see if that helps . Wondering if anyone has done this and what problems they had or tips they can give

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carriedi
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Joined: Wed Apr 10, 2013 12:42 pm

Re: pontiac grand prix

Unread post by carriedi » Mon Jun 09, 2014 10:23 am

I am just looking at the fuel gauge circuit and I see that the 97 gtp the fuel level sender in the tank sends the signal through the purple wire to the instrument cluster connector #1 pin D.

the dash on the 99 gt shows that the fuel level sender sends the signal out on the purple wire to connector #2 pin 70 on the PCM. The wire on the instrument cluster for the fuel level is still connector #1 pin D but it is an orange wire that goes to the pcm connector #1 pin 3.

so if this circuit is different there may be more circuits that don't match up with your cluster
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chadwagner
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Joined: Mon Jun 09, 2014 9:16 am

Re: pontiac grand prix

Unread post by chadwagner » Mon Jun 09, 2014 11:21 am

Will a 99 harness work or will I have the same problem because its not a gtp.

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carriedi
Posts: 2573
Joined: Wed Apr 10, 2013 12:42 pm

Re: pontiac grand prix

Unread post by carriedi » Tue Jun 10, 2014 10:08 am

you may have the same problem because the instrument cluster may be wired differently

have you tried using your original computer? check into having it reprogrammed to work with the supercharger. this way it will still work with all the other components in your car.
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