Skip the auto shop - Our mechanics make house calls

Q: Won't turn off when I turn the key

asked by on

my 1989 jeep comanche will not shut off when i turn the key to the off position. the radio however does turn off on key i have replaced the coil and the ignition switch, when i replaced the coil it shut off a few times and now its back to not turning off..have any idea's what to try next?

My car has 106000 miles.
My car has an automatic transmission.

A: Your vehicle’s inability to shut off can be...

Your vehicle’s inability to shut off can be due to several issues. You may be looking at an issue or a short with the ignition system. If the aftermarket ignition switch that is on the vehicle was installed incorrectly, or was dead on arrival (a bad switch), then you would have this issue. You may want to look into the ignition pull rod, which resets the switch when turned to off, is not damaged. These are made from a weak metal usually, and may have become damaged. If you are inclined to believe it is an electrical issue, turn to your alternator. The diodes may be providing more electricity to the engine after they should have cut off. The alternator would need to be replaced at this point.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Truck won't start consistently

Hi there: If the battery tested as being good, then the alternator shouldn't be the source of your problem. The alternator is responsible for charging the battery but also for powering all the components on your vehicle as the engine's...

Q: Failing fuses, dashboard warnings all present - 2012 Audi A7 Quattro

Your Audi utilizes an electrical power distribution system which is more computer network like, than older point-to-point wiring systems. There are electrical controllers at key locations in the vehicle (front or back) which distribute power to components located close by,...

Q: Jeep losing a lot of brake fluid

Sounds like you have multiple issues going on. Brake light bulbs going out is a common thing. Most are fairly easy to change with a few tools. The thing to watch for is to make sure the bulb socket is...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.