Under hood light
Thread Starter
Burning Brakes
Joined: Mar 2017
Posts: 832
Likes: 342
From: Galena, OH
Under hood light
My new-to-me Z06 came with the under hood light, and it was upgraded at some point to LED. I was having some starting issues, had the battery tested which showed it needed a charge, and threw it on the Battery Tender. I have the hood up and the BT connected to the terminals (+ fuse box and - block). With the hood up, the light is supposed to stay lit for 10 minutes of no activity and then turn off, according to the owner's manual.
It does not turn off completely. It definitely gets a lot dimmer, but it is still lit hours after opening the hood. Odd behavior? Normal with LED? Enquiring minds want to know!
It does not turn off completely. It definitely gets a lot dimmer, but it is still lit hours after opening the hood. Odd behavior? Normal with LED? Enquiring minds want to know!
Instructor
Joined: Sep 2018
Posts: 212
Likes: 80
From: Sparks NV
It's the LED's the same thing happens with the lights in the rear view mirror and they both will slowly drain the battery. You can add load resistors into the circuit to increase the load and fully toggle the circuit to off or just put an incandescent bulb back in and problem is solved. Also the under hood light was dropped from the factory as it would not always turn off with the hood closed and new cars were showing up at the dealerships with dead battery's straight off the transport trucks.
Melting Slicks
Joined: May 2020
Posts: 2,135
Likes: 1,309
From: North Little Rock, AR
It could simply be the bulb. I have the underhood light and switched it to led. I used a brand called Auxito and have no issues. I have also replaced every bulb in my car with leds and no issues. If you change that underhood light I would pull the courtesy fuse. I blew it roght out of the gate changing that one.
Thread Starter
Burning Brakes
Joined: Mar 2017
Posts: 832
Likes: 342
From: Galena, OH
It could simply be the bulb. I have the underhood light and switched it to led. I used a brand called Auxito and have no issues. I have also replaced every bulb in my car with leds and no issues. If you change that underhood light I would pull the courtesy fuse. I blew it roght out of the gate changing that one.
Which bulb did you use for the hood light?
Last edited by BuckeyeRay; Jun 19, 2024 at 04:46 PM.
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Safety Car
Joined: Aug 2013
Posts: 4,429
Likes: 605
From: Minneapolis Mn
Happens the underhood light on mine is burnt out. On the 86 I sold I had bought a wiring harness addon to it that connected between the car and lights with a push-button switch that you could turn the lights off with a simple push of a button. Used water insulated connectors and had it on for 10 years without an issue. I plan to check this one out to see if it will work and if I want to use it.
Just FYI.
Just FYI.
Burning Brakes
Joined: Oct 2018
Posts: 805
Likes: 392
If it were me I'd take the bulb out and keep it handy like in the center console if you need it. Not worth having it constantly draining your battery. I don't remember the last time I had to lift my hood when it was dark.
Thread Starter
Burning Brakes
Joined: Mar 2017
Posts: 832
Likes: 342
From: Galena, OH
I pulled it for now, but I do like my stuff to work lol! I'll probably just go back to regular incandescent.
