AL Posted January 17, 2015 Report Share Posted January 17, 2015 Just bought this 04 GP and the guy I bought it from drove it to the store and when he came out, the car wouldnt start. His battery was original and tested bad, so we dropped a new battery in and it still wouldnt start. I have no dash lights with the exception of the engine light, no DLC ignition voltage and no ignition power to the DIC. The lights work fine, and I can check the clock on the radio, but it wont actually turn on... I have already replaced the ignition relays and the ignition switch. Still same problem... It also seems like there is a massive battery drain issue, the battery charger overheated trying to charge it and it killed my jumpbox, and now the 1 week old battery has 7 volts... Tested all fuses with the test light, and none are blown... I am lost at this point Quote Link to comment Share on other sites More sharing options...
AL Posted January 17, 2015 Author Report Share Posted January 17, 2015 I wanted to add that it will not crank but it will prime the fuel pump Quote Link to comment Share on other sites More sharing options...
l67ss Posted January 18, 2015 Report Share Posted January 18, 2015 Almost sounds like a passkey issue... Quote Link to comment Share on other sites More sharing options...
AL Posted January 19, 2015 Author Report Share Posted January 19, 2015 The video is on my Facebook and its also uploading to youtube so I can post it here Quote Link to comment Share on other sites More sharing options...
Nas Escobar Posted January 19, 2015 Report Share Posted January 19, 2015 Post it here... some of us don't use FB Quote Link to comment Share on other sites More sharing options...
AL Posted January 19, 2015 Author Report Share Posted January 19, 2015 Quote Link to comment Share on other sites More sharing options...
Psych0matt Posted January 19, 2015 Report Share Posted January 19, 2015 It's almost like you have a cut wire somewhere... pull out the stereo and see if anything looks weird? Quote Link to comment Share on other sites More sharing options...
AL Posted January 28, 2015 Author Report Share Posted January 28, 2015 Replaced BCM, still same problem, every wire ive checked has been good, im still lost Quote Link to comment Share on other sites More sharing options...
AL Posted January 29, 2015 Author Report Share Posted January 29, 2015 All of the bcm grounds and positive wires are good, just tested the wires for the data information, the radio wires all tested good, what the heck could be causing this? Every pass key issue I've seen has had the dash lights come on, I'm totally lost Quote Link to comment Share on other sites More sharing options...
DiscoStudd Posted February 1, 2015 Report Share Posted February 1, 2015 Have you checked all of the battery cable connections? Specifically at the under hood fuse boxes? I've had this happen before on my old Regal, turned out to be a loose connection at the auxiliary positive terminal on one of the fuseboxes. What I ended up doing was run another cable from the battery to said terminal, as the original cable couldn't carry the current. It would heat up the connection and loosen the bolt, causing the engine and half of the accessories to die. IIRC, the fuel pump relay was on the opposite fusebox and the fuel pump would activate with the ignition. Just my 2 cents... Quote Link to comment Share on other sites More sharing options...
Heartbeat1991 Posted February 1, 2015 Report Share Posted February 1, 2015 I agree with DiscoStudd. . . Sounds like a power distribution problem at the fuse box. It's not a PassLock issue. Quote Link to comment Share on other sites More sharing options...
virtuetovice Posted February 1, 2015 Report Share Posted February 1, 2015 So what you're saying is, you got another car and now your DIC doesnt work? Quote Link to comment Share on other sites More sharing options...
AL Posted February 2, 2015 Author Report Share Posted February 2, 2015 We replaced battery cables and went over fuses a million times, we ended up stumbling across a forum thread that mentioned moisture getting on the harness under the passenger seat, so we took the seat out and lifted up the carpet to check the harness and saw that the airbag module looked horrible, had so much corrosion on it that it had me concerned. We unplugged the module and the car fired up. Basically the air bag module was shorting out the can bus system and everything on the can bus was not working. Finally glad to see this car run. Quote Link to comment Share on other sites More sharing options...
DiscoStudd Posted February 2, 2015 Report Share Posted February 2, 2015 Glad to hear you got it running! Something to keep in mind to check in the future for sure... Quote Link to comment Share on other sites More sharing options...
AL Posted February 3, 2015 Author Report Share Posted February 3, 2015 Heres the problem causer, we are leaving it unplugged till I get a new one Quote Link to comment Share on other sites More sharing options...
DiscoStudd Posted February 4, 2015 Report Share Posted February 4, 2015 Holy shitballs! You know, now that I think about it, my Tahoe was acting up a couple of years ago where it'd die for no reason, or would crank but not fire. I traced it to the TCCM under the dash. Unplugged it and the truck ran normally. I pulled the module apart and the circuit board inside was corroded to hell. Goes to show ya one seemingly insignificant module can stop you dead in your tracks... Quote Link to comment Share on other sites More sharing options...
stephany foster Posted February 15, 2020 Report Share Posted February 15, 2020 AL i just bought a 05 pontiac grand prix and the identical thing happened to me i sure hope its something simple. i had to have my Pontiac towed when it wouldnt start. the tow truck driver grabbed wheel to put it on flat bed and the steeing shaft snapped the wheel was free spinning. so im glad the ignition messed up or the steering for surely would have broke on me on way home. they want $300 to even look at my car ontop of $110 tow bill i drove this car for 2 1/2 days and everybody has a different awnser starter. i said no i dont know much but i know the car would do something when i turn key id have dashlights and a radio not just fuel pump and lights. i also have a clicking relay on passenger side fuse box i replaced it but also clicks.idk i hope that your article helps me out before i change ignition switch or pcm and other electrical related problems which i believe it to be. Quote Link to comment Share on other sites More sharing options...
The dude Posted August 17, 2020 Report Share Posted August 17, 2020 (edited) I have the same issue my pontiac grand prix wont start. It's got a new battery, alternator, starter, and ignition switch. My dash lights up and windows work but she wont start for nothing. Wondering if anybody had any ideas. Edited August 17, 2020 by The dude Quote Link to comment Share on other sites More sharing options...
Psych0matt Posted August 17, 2020 Report Share Posted August 17, 2020 I have the same issue my pontiac grand prix wont start. It's got a new battery, alternator, starter, and ignition switch. My dash lights up and windows work but she wont start for nothing. Wondering if anybody had any ideas.Check all your connections are clean and tight. Quote Link to comment Share on other sites More sharing options...
Schurkey Posted August 18, 2020 Report Share Posted August 18, 2020 7 hours ago, The dude said: I have the same issue my pontiac grand prix wont start. It's got a new battery, alternator, starter, and ignition switch. My dash lights up and windows work but she wont start for nothing. Wondering if anybody had any ideas. Won't START, or won't CRANK? Big difference. Psych0matt 1 Quote Link to comment Share on other sites More sharing options...
Tim23 Posted December 6, 2020 Report Share Posted December 6, 2020 On 8/17/2020 at 10:47 PM, Schurkey said: Won't START, or won't CRANK? Big difference. I am having the same issue. Did you find a fix for this Quote Link to comment Share on other sites More sharing options...
Schurkey Posted December 7, 2020 Report Share Posted December 7, 2020 The "fix" will almost certainly be different depending on whether the engine won't crank, or cranks but won't run. Neither of you mentioned which problem you're having. Quote Link to comment Share on other sites More sharing options...
Duck Posted January 17, 2021 Report Share Posted January 17, 2021 Hello my 2005 Pontiac Grand Prix won’t crank. Changed battery ends check all fuses and battery all good. Everything in dash works just no crank. I took the starter and crank fuses out under hood and took jumper and it’ll crank that way Quote Link to comment Share on other sites More sharing options...
litg5150 Posted September 19, 2023 Report Share Posted September 19, 2023 I have an 07 grand prix gt that will not crank I put the key in the ignition and turn to accessory and all my dash lights come on, and the moment I turn the key to crank the motor it kills everything ..it just shuts it all off Quote Link to comment Share on other sites More sharing options...
litg5150 Posted September 19, 2023 Report Share Posted September 19, 2023 I've changed the battery changed the alt changed the ignition switch and ignition control module..still nothing Quote Link to comment Share on other sites More sharing options...
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