Electrical issue and cannot shift into drive when the lights are turned on

2004 FORD F-150
140,000 MILES • 4.8L • V8 • 2WD • AUTOMATIC
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TOMMYP508
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Recently i got into my truck and turned it on. Turn on the lights, and it got dim and i could not move the shifter into Drive. i turn off the lights and i am able to shift to drive. When i turn on my ac switch to high the high, the high beams comes on. i need help, any suggestions? I am not a mechanic so any adice i would appreciate it.
Thanks, Tom
Oct 8, 2016 at 7:16 PM
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CJ MEDEVAC
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Remove the battery and have it checked at a popular auto parts store.

Charge/ replace it if needed.

Immediately return to the auto parts store to have the alternator tested on the vehicle.

This is usually a free service at the auto store.

Return with the results!

The Medic
Oct 9, 2016 at 11:03 AM
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STRAILER
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Hey tommy,

CJ is right is sounds like the battery is dead not activating the shift lock solenoid, here are a couple of guides that will help

https://www.2carpros.com/articles/car-battery-dead-overnight

and

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Please let us know what you find so it will help others.

Best, Ken

Oct 10, 2016 at 1:31 PM
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