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need help with 91 Zr-1 Electrical issue

91VETTEZR1

Active member
Joined
Oct 28, 2004
Messages
44
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zr1.net registry,N.J. Director
Corvette
1991 zr1
Hi
I hope everyone is well. I took my ZR-1 out today 1st time since Nov. Last time I drove it everything was fine. I noticed I left my glove box was open and I was expecting a dead battery.Car started right up but I noticed other things not working.
1. No courtesy lights, dome ,pillar etc. Light on rear view mirror does work. Turned dimmer switch but that didn't help.
2. Radio turns on looks normal, CD, radio all look normal but no sound, antenna won't go up.
3. Heat/AC controls nothing lit up. DEAD.
Everything else checked out on the car switch wise ,car ran great.
I checked all the fuses on passenger side fuse box, all ok, FUSE (1) 15 amp seems to control most of these items. I replaced even though it was fine. No luck. Checked AUX fuses on passenger side under hush panel , all fine.
I checked that door light switches were working, they read door ajar so I think that is not the issue. I did leave that glove box open for several weeks with trickle charger on.I read somewhere I could have burned out a relay some where. Any help would be appreciated
Thanks
Todd Cerami
 

Rob

Site Administrator
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Administrator
Joined
Sep 16, 2000
Messages
13,591
Location
New Hampshire
Corvette
1990 Corvette ZR-1
Todd,

Did you have the car on a battery tender while it was sitting? Is the battery fully charged?
 

91VETTEZR1

Active member
Joined
Oct 28, 2004
Messages
44
Location
zr1.net registry,N.J. Director
Corvette
1991 zr1
battery at 12.8, checked for codes and it came up with H25 "courtesy lamp relay circuit open or shorted to ground" gonna have to do some searching on this now, swapped courtesy lamp relay with the same type of relay from road lamps relay, no change.so that eliminates that.

 

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