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Question: C4 Alarm Problem

Sld_Gld

Active member
Joined
Feb 17, 2015
Messages
25
Location
Wisconsin
Corvette
1985 Gold Coupe
On occasion, the alarm will sound on my '85 after pressing the locking button on the inside of the door and then closing the door. As the problem occurs rather infrequently and the alarm can be turned off by unlocking the door with my key from the outside, it's more of a nuisance than a major problem. However, it would be nice to prevent this from occurring. Any suggestions where to begin researching the problem will be much appreciated.

Dennis R
Sheboygan Falls, Wi
 

ferricsteed

New member
Joined
Feb 1, 2019
Messages
3
Location
Louisiana
I am surprised no one responded. My 86 does the same thing. The door jam switch was loose in my car. Fixed the problem by shimmimg the switch.
 

Sld_Gld

Active member
Joined
Feb 17, 2015
Messages
25
Location
Wisconsin
Corvette
1985 Gold Coupe
Thanks for the tip. I'll check the switch and let you know what I find!
 

Sld_Gld

Active member
Joined
Feb 17, 2015
Messages
25
Location
Wisconsin
Corvette
1985 Gold Coupe
The switches mounted in the door jamb for both doors are secure and do not appear to be a problem. Thanks for the tip regardless!
 
Last edited:

Hot Rod Roy

Well-known member
Joined
Jul 6, 2005
Messages
317
Location
Mission Viejo CA
Corvette
Yellow '84 Coupe
Since your problem only happens occasionally, the problem is probably that the door switches need to be adjusted for more travel. They both need to be "open circuit" switches when the door is closed. Maybe a small spacer could be glued to your door jamb where the switches touch, if the switches can't be adjusted.

:cool
 

Sld_Gld

Active member
Joined
Feb 17, 2015
Messages
25
Location
Wisconsin
Corvette
1985 Gold Coupe
Thanks for the tip! I'll need to experiment with this potential solution before the winter weather arrives in Wisconsin. :w
 

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