PCM: Regular or extra-crispy?
Post Fiend
Joined: Feb 2006
Posts: 11,892
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From: Middle Tennessee
Originally Posted by mrfixit64857
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I can... my only fear is that if this PCM is toast due to a short I'd be crapping out another PCM. Maybe I can buy one from a junkyard, test it in a good truck, THEN try it in the dead horse?
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I can... my only fear is that if this PCM is toast due to a short I'd be crapping out another PCM. Maybe I can buy one from a junkyard, test it in a good truck, THEN try it in the dead horse?
I agree with your thoughts about the other way around, but it may or may not be the PCM so why buy another and have the same situation if you don't have to?
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Originally Posted by Tenn01PSD350
No, I meant try putting the suspect one in a good truck. I don't think it can hurt it due to the voltage it works with and if it is dead, you'll likely just confirm that. At least I don't think it can hurt it. Anyone else?
I agree with your thoughts about the other way around, but it may or may not be the PCM so why buy another and have the same situation if you don't have to?
I agree with your thoughts about the other way around, but it may or may not be the PCM so why buy another and have the same situation if you don't have to?
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
I'm not 100%, but if both are autos then the only main differences between them might be a HP rating that resulted from a tweak to the computer software. A basic HP tune if you will so I would think you could at least check the PCM. Obviously if the harness will not fit it is a no go right there.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Originally Posted by mrfixit64857
it's a 2000, automatic...
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Posting Guru
Joined: Sep 2006
Posts: 1,515
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From: Jasper, MO
Originally Posted by Kwikkordead
Have you looked inside the steering column? I'm wondering if the infamous chafed wiring issue killed it.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Originally Posted by mrfixit64857
That is certainly POOSIBLE, and if changing these out doesn't do it then I WILL check that. HOWEVER, I think if that were the case, something-ANYTHING else might not be working too, no? I mean everything else right down to the door chime works!
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Posting Guru
Joined: Sep 2006
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From: Jasper, MO
Originally Posted by Kwikkordead
I see your point.
Tom
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Tom, do you need the procedure for the removal of the steering wheel so as not to eat the bag? Yeah, it is great. 80 caution statements and then disconnect the batteries and drain all residuals. Next,
Remove the driver air bag module.
Remove the driver air bag module.
- Remove the two back cover plugs.
- Remove the bolts.
- Disconnect the horn electrical connector.
- Disconnect the air bag electrical connector.
- Remove the driver air bag module.
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Posting Guru
Joined: Sep 2006
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From: Jasper, MO
Originally Posted by Tenn01PSD350
Yeah, it is great. 80 caution statements and then disconnect the batteries and drain all residuals. ....I'm feeling cozy about that too, along with the stay outta the way, don't lay down wrong side up etc statements. Better not even look at it wrong and definately make sure your taxes are up to date, never know.
Thanks for the info, tho... put all MY worries to rest!
Post Fiend
Joined: Jun 2006
Posts: 5,497
Likes: 7
From: Central, Al
Air bags aren't that bad you just have to follow the disarming procedures exactly.
Make sure NO power exist in the vehicle, disconnect batts, drain PCM KAM (Turn head lights on after disconnecting Batts). Just for good measure you can ground the vehicle breifly to discharge any static (Chain hanging from hitch).
NEVER NEVER sit in the driver seat while working on it.
Make sure NO power exist in the vehicle, disconnect batts, drain PCM KAM (Turn head lights on after disconnecting Batts). Just for good measure you can ground the vehicle breifly to discharge any static (Chain hanging from hitch).
NEVER NEVER sit in the driver seat while working on it.
Last edited by Uzumati; Nov 25, 2006 at 08:17 PM.
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Posting Guru
Joined: Sep 2006
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From: Jasper, MO
Thanks... also good advice! It's not so much Im afraid of it.... OK maybe it is. no, seriously, I just think it's funny that the supposedly SAFEST part of a vehicle can be the most hazardous!