Thread: If I replace my bcm

I'm gonna replace my bcm cause Ive had a couple tell to so that my stuff inside my stops acting funny
But I also read a thing on here that it could be my ignition and my key comes Right out so I thought I should replace that to
So let me know if I shoul replace that ?

What?

Can you try re-telling this problem in a complete sentence??

We need to know your problem or else we can't say say what the real problem might be.

I'm gonna replace my bcm Ive been having some problems with electronic stuff inside my car and I'm also Gonna replace my blower resistor . I read on here that it could be my ignition but idk I was thinking about it last night and I realized that my key pops right out when car is running
So what should I replace ?
Should so A lil bit better

I'm drunk and still couldn't read wut he said haha

I think he's just gonna start replacing stuff just to replace it

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The reason why Ive started this thread is cause I'm having problems with the in side of my car and everything acting funny
A guy told me that it could be my bcm
Another guy told me it was the blower resistor cause he had one do the same thing an it was that
A website and gpf said it could those 2 and my ignition

Please be more specific if you want answers.

A symptom list would be ideal.

If your blower doesn't work on one or more speeds probably your resistor.

If it doesnt work at all could be your igniton switch you'll need a multi meter to test the voltage at the switch. It involves removing the knee panel.

Rarely do I see BCMs go bad in the pre 03 grand prixs. That would be the very last thing I'd replace..

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Originally Posted by rperry435

Please be more specific if you want answers.

A symptom list would be ideal.

If your blower doesn't work on one or more speeds probably your resistor.


If it doesnt work at all could be your igniton switch you'll need a multi meter to test the voltage at the switch. It involves removing the knee panel.

Rarely do I see BCMs go bad in the pre 03 grand prixs. That would be the very last thing I'd replace..

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My car is a 97
My car only works on high speed and when I turn it on my headlights turn off and my d.I.c turns off
And now when I turn my fogs on my radio turns off

Okay its simple. Your resistor is bad, 1 or more settings go bad..your high is a seperate relay built into the resistor thud why it works on just that setting... But your igniton switch is also bad.. Sounds like under load your accessory is dropping out. It's common and doesn't take too long to change either.

I can assure you it is definitely not your bcm.

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I would also like to note you aren't supposed to be able to pull out the key BUT that will not effect its operation...
the ignition switch is the back portion of the key cylinder and when changing it the key portion won't be changed so even with the new ignition switch the key will still pull out. I just wouldn't worry about the key coming out. lol

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It wasnt my resistor changed that and it still does the same thing
Any other ideas ?

Doesn't the blower motor have a ground behind the radio ?

I just read this big ass article from sparkys Awnsers and everyone was having basically the same problem and it was the ignitions switch so thats my next thing imma do