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mike95125's Avatar
 
Join Date: Mar 2002
Location: Washington Court House, OH
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Seat belt kill switch

Before I go too far next week into looking at why my car will tunn over and not spark (as far as I can tell), what did the seat belt relay cause to not happen? I have a jumble of wires where my belts are, from them, and I had to unhook everything before I stripped and painted the tub. I just want to know i I need to hook any of this nonsense up, and if it could cause my no start problem.

Thanks
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Old 05-11-2006, 10:43 AM
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Seatbelt relay intereferes with cranking. If it turns over, it should not be related to this.

I wouldn't hook that nonsense back up though. Just join the big yellow wire (starter switch to solenoid) and the brown-only wires (grounds). Snip the rest.

Last edited by RandyLok; 05-11-2006 at 11:20 AM..
Old 05-11-2006, 11:14 AM
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Thanks Randy, I had a feeling that if it cranked it was not my problem. I wont have time to shoot the diagram until next week so you saved me some time.
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AKA: Dr Evil on the 914World forum, need your tranny rebuilt, or want a "How to rebuild your transmission DVD" set? PM me.
-74 914 with 74 2.7 CIS
-74 VW Bus with modified 3.1 corvair engine and 3.0 CIS fuel injection system.
-74 BMW R90
Old 05-11-2006, 11:52 AM
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I don't think the seat belt use monitor was interlocked with the ignition system. I think it was only a warning/reminder system. Back then cars were required to have seat belts, however there were no laws in the US that required anyone to use them. Even today, I can't think of a car that has a seatbelt/ignition interlock, just plenty of buzzers and bells!
Old 05-11-2006, 12:18 PM
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It was a 1974-specific thing. It interrupted the starter circuit if it thought you didn't have your belts on. The law was repealed pretty quickly, though.

Some 75s also have this mis-feature.

All other years of US-spec 914 that I know of have buzzers and lights. The early ones may not have lights, now that I think about it...

--DD
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Old 05-11-2006, 01:32 PM
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