Car won't turn over but horn and lights work. Makes a purring sound when you turn the key to start it. If we jump it it will start eventually and keep running.
The sound you call purring is the starter motor spinning. Your starter is basically a two function device. It spins to turn the flywheel and therefore the engine over so it can start. The other thing it must to (which yours isn't) is a motion like a solenoid, the bendix, that drives the starters output shaft with a small gear that has to engage the flywheel teeth. That outward motion inserts the starter pinion into contact with the flywheel. When the starter is disengaged, the bendix is also disengaged, withdrawing the starter pinion from the flywheel teeth and back into it's resting position. It sound like your starter's bendix is stuck and isn't being moved outward and so isn't engaging the flywheel. In the old days we used to strike the starter motor with a hammer to free a stuck bendix. This is risky these days because the design of the start motors (many of them) are made inside out. That is, instead of field coil windings being close to the outside of the case, they are deep inside and spin with the starter. Magnets are now just inside the case and they can break like ceramic if the starter motor is struck. Replacement of the starter is in order for a long-term fix.
text book answer!
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Your battery is to low on power it needs a good charge, or replace it is the best option for a brand new one!
2007 grand prix GXP won't start instead horn honks, light flash,
wipers cycle, and Battery is fully charged. It can still be a bad battery. The battery goes dead when applying a load so
power to the starter motor is shut off causing the horn to honk, etc. Jump start
the car then you can drive to your local battery store.
SOURCE: changing serpentine belt 3.8 2007 pontiac grand
SOURCE: I have a 2007 grand prix. The lowbeams work but
check the switch it self in the steering column mabe faulty and will need replacing. the high beam switch tend to go bad over time, some has better luck than others, it fairly easy to replace. the switch unit itself operate like a two way switch, one for flashing and other high beam.
SOURCE: 2.7 amp draw 2003 grand prix
Then you have something shorting out somewhere.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c
SOURCE: 1997 pontiac grand prix key won t turn ignition
well does the key go in does it turn to the start pos? if the dash dost power up its because the switch is bad if it will power up but not start it can be becuse of the resitor chip depends on what is going on if you cant get power its becuse of the switch
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