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1970 Seat Belt Light

Forum: C3 Electrical, Body and Interior

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1970 Seat Belt Light

Posted: 9/25/08 8:33amMessage 1 of 3
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Danbury, CT - USA
Joined: 9/24/2008
Posts: 1
Vette(s): 1970 LT1 Convertible, Mulsanne Blue
The seat belt light comes on intermittently; this is an idiot light that is turned off by pushing the button under the seat belt light.
Has anyone had this problem or know how the light is activated?
Is there a switch or timer someplace?
The wiring diagram does not show any details for this feature.
Thanks
  
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1970 Seat Belt Light

Posted: 9/25/08 11:48amMessage 2 of 3
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Burke, VT - USA
Joined: 1/23/2002
Posts: 7606
Vette(s):
SOLD - "The Toy" - '70 Convertible
SOLD - "The Beast" - '90 ZR-1 (#682)
SOLD - "Betty" - '28 Ford Model A Tudor
SOLD - "BLKBRRD" - '78 Pontiac Trans Am
"BLUBYU" - '04 Coupe
The seat belt light/button was a passive way GM employed to get you to wear your seat belts.  The light on "The Toy" lights up every time I turn the ignition on and I push the button to turn it off.  To the best of my knowledge it is not wired into anything else.
 
The intermittent issue is probably due to a loose wire/connection, a bad switch, or a bulb that is on its way out.

Jim Olson 

"The Toys"...!!!  Save the Wave!

Where I've been in a Corvette...!!!

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1970 Seat Belt Light

Posted: 9/25/08 8:13pmMessage 3 of 3
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Mounds View, MN - USA
Joined: 5/24/2007
Posts: 1034
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
Pushing the button switches a normally closed switch to open, turning off the light.  When power is removed, the switch reverts to its' normally closed position.  If it periodically comes on, but goes off again when you push the button, there is an intermittent open in the power tot the switch.  It is probably harmless but annoying.  Check connections, and wiggle wires to see if one is broken inside.  Does anything else flicker when the light comes back on?  If not, there is a pretty short circuit that could be the problem.  If other things flicker, the intermittent open is before them in the circuit.

Larry
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