Fuse for HUD?
Le Mans Master
Joined: Dec 2017
Posts: 5,563
Likes: 3,304
From: Virginia
2021 C5 of the Year Finalist - Modified
St. Jude Donor '21-'22
What issue are you trying to fix? As stated above it isn't a problem with the fuse. You may be suffering from HUD drop. There is also the brightness slider that you can use to turn the off.
Thread Starter
Advanced
Joined: Mar 2010
Posts: 62
Likes: 5
Thanks C5 diag for your quick response. The problem started after I took the dash apart to replace the HUD Bezel. My HUD wasn't working also, I found out it wasn't plugged in. I installed a "low mileage" HUD while I had the dash apart and it worked fine when I tested it. The problem is the battery goes dead after setting for a few hrs.
I know some of the electronics will function with the ignition off and the key out, do you know what my amp draw should be under these conditions? I feel a previous owner may have unplugged the HUD when he had the problem I'm experiencing.
I know some of the electronics will function with the ignition off and the key out, do you know what my amp draw should be under these conditions? I feel a previous owner may have unplugged the HUD when he had the problem I'm experiencing.
Moderator, Tech Contributor
Joined: Sep 2013
Posts: 15,495
Likes: 3,999
From: Cape Coral, Florida
The battery should not go dead after a few hours…completely dead is around 10.5 volts…fully charged is 12.66…normal current draw is around 25 milliamps once all the modules go to sleep.
Administrator
Joined: Mar 2001
Posts: 367,947
Likes: 24,704
From: In a parallel universe. Currently own 2014 Stingray Coupe.
C7 of the Year - Modified Finalist 2021
MO Events Coordinator
St. Jude Co-Organizer
St. Jude Donor '03 thru '25
NCM Sinkhole Donor
CI 5, 8 & 11 Veteran
Moved to C5 Tech.
Moderator, Tech Contributor
Joined: Sep 2013
Posts: 15,495
Likes: 3,999
From: Cape Coral, Florida
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)
Joe Kucinski
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!
Verdad Gallardo
Top 10 Corvettes Coming to Mecum Indy 2026!
Brett Foote
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!
Michael S. Palmer
10 Revolutionary 'Corvette Firsts' Most People Don't Know
Joe Kucinski
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2
Michael S. Palmer
2027 Corvette vs The World: Every C8 vs Its Closest Competitor
Joe Kucinski
Burning Brakes
Joined: Dec 2022
Posts: 1,025
Likes: 888
From: Nappytown MD
both fuse boxes have the fuse layout and applicable circuit on a sticker in the fuse box covers. Learn those fuse locations for what is in the engine bay fuse box and passenger footwell fuse box. It will save you a lot of time in the future for quick checks-
Thread Starter
Advanced
Joined: Mar 2010
Posts: 62
Likes: 5
The draw is in "Body control module-ignition 1 instrument control panel" fuse 25. as suggested by the fact the HUD was unplugged and the thoughtful drawing sent by C5 diag. I have another switch to try and hopefully I can do the replacement without tearing the complete dash out. Thank you for everyone's input........what a great site.
Thread Starter
Advanced
Joined: Mar 2010
Posts: 62
Likes: 5
Can I remove the inst. cluster bezel without tearing the dash apart? I've removed the 2 fasteners but it doesn't want to come off and I don't want to damage any thing while trying to get at the HUD switch.
Thread Starter
Advanced
Joined: Mar 2010
Posts: 62
Likes: 5
Good video on cluster removal. I found this video on youtube
that reminded me that you have to pull the cluster to remove the bezel (screws behind the cluster) so here I go again. Thanks again for your input.