Help!!! No power! 2020 high country - Chevy and GMC Duramax Diesel Forum
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post #1 of 4 (permalink) Old 11-14-2019, 08:51 PM Thread Starter
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Help!!! No power! 2020 high country

Just about to do some towing with my new high country and there no power to the parking lamps in any of the 3 plugs on this truck! Also trying to wire my sled deck to one of them in the box, but no parking lamp power

First time I’ve ran into this in any past duramx owned!! Is there some setting in the DIC I’m missing?
Fuses are good
Thanks!

2020 Chev. High Country Duramax
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post #2 of 4 (permalink) Old 11-15-2019, 11:01 AM
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Help!!! No power! 2020 high country

Check the fuse again. I was having trouble with my 18 the fuse looked good, would test with ohm meter. But changed it out any way and that fixed my problem.

The next thing to check is if your getting power to the connector near rear of truck where all those hook together.
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post #3 of 4 (permalink) Old 11-15-2019, 12:20 PM
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Originally Posted by mean1le View Post
Just about to do some towing with my new high country and there no power to the parking lamps in any of the 3 plugs on this truck! Also trying to wire my sled deck to one of them in the box, but no parking lamp power

First time Iíve ran into this in any past duramx owned!! Is there some setting in the DIC Iím missing?
Fuses are good
Thanks!
Not to be insulting or anything but was it daytime and the lights set to AUTO mode? Dean
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post #4 of 4 (permalink) Old 11-15-2019, 12:49 PM
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The 20's require a signal from all the lights before they will power on. Meaning if you plug a 4 or 7 pin plug in and the truck finds all the lights it will power up. If you are simply looking for power with a meter or test plug then it will not power up. You can use a PUTCO harness to get a constant hot plug but from the factory they are not set up that way.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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