Question about 1997 Pontiac Sunfire

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How do I unlock my stereo on my 1997 pontiac sunfire? I replaced the alternator and battery, now the stereo is locked. 

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Remove the radio from the dashboard


Posted on Jun 18, 2010

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On a 1997 pontiac sunfire what happens when the gen voltage sensor fuse is missing from the black box under the hood?

Yes ,it certainly does have to do with the alternator.This is the connection from the battery votage to the regulator.The regulator needs to know what the battery voltage is doing so as to optomise the charge rate from the alternator.

May 18, 2013 | 1997 Pontiac Sunfire

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How much would it cost to get new 1997 pontiace sunfire made

It is cheaper to call your local towing company and ask them to unlock it so you can get the key you left in the ignition out. $20.

Aug 27, 2012 | 1997 Pontiac Sunfire

1 Answer

01 sunfire battery stays at 12.5v

I guess my first question is what is the alternator output at idle ?
You can't test an alternator by disconnecting the battery like we did 40 yrs ago with generators. The alternator needs the battery in circuit to perform. And now with computers, you can cook a computer by disconnecting the battery with the engine running.
You should have 3 wires coming out of the alt. The large red wire goes to the starter with a fuseable link. The other two go to the computer. They turn the regulator in the alternator on and off.
What is the voltage on that red wire with the engine running ?

Jul 29, 2012 | 2001 Pontiac Sunfire

1 Answer

The battery symbol keeps coming on in my 1997 sunfire what should I do?

check your batterrie condition and your alternator charging rate

Apr 19, 2012 | 1997 Pontiac Sunfire

1 Answer

Battery keeps dying in 1997 Pontiac Grand AM. I've

There is a voltage draw from your battery while engine is not prove this loose any one of your terminals.with all switches turned off including engine, disconnect and re-connect the loose terminal.if you get a spark then there is a voltage draw, find the wire and replace it

Feb 04, 2012 | 1997 Pontiac Grand Am

1 Answer

Code to unlock the radio in a 97 sunfire

The radio will have to be removed from the dashboard.

Then post the radio make+model plus all the letters+numbers on any labels,barcodes or engraved in the metal casing.

Jul 03, 2010 | 1997 Pontiac Sunfire

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When driving my sunfire the dash lights flicker and then the stereo cuts out then the car stalls and it won't start again

this could be a bad connection to your battery,starter ,or your main ground or your alternator has gone bad and is not charging your battery try cleaning your battery cables first

Oct 28, 2009 | 1997 Pontiac Sunfire

1 Answer

GM radio locked after battery replacement. How do yoiu unlock it


and follow the site instruction and uou will have to pay but can keep till it occurs again when you remove battery connector.

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Sep 05, 2009 | 1997 Pontiac Sunfire

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Unlock code....

If your lucky the default code was 000 if there was no code entered to the system. If that's not the code then you can drive to the dealer and they should be able to help you out by getting the information from your Vin# most dealer will not charge you if you bought the car from there. If there going to charge you an arm and a leg here is link that can help you out.
Good luck and hope this help. The code may have been also written down in your manual book.

May 23, 2009 | 1997 Pontiac Sunfire

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