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Ignition light

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swordfishdani1960
Scuttle Shaker
Posts: 59
Joined: 06 Jul 2016 16:33

Ignition light

Postby swordfishdani1960 » 15 Oct 2018 06:57

My ignition comes on and flashes of and on .all is good battery getting charged 14 47 volts
wires are all good no bad earths or rusty connections ,any thought s

dursleyman
Wedgista
Posts: 1441
Joined: 11 Jun 2007 22:55
Location: United Kingdom
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Re: Ignition light

Postby dursleyman » 15 Oct 2018 13:09

Sounds like it might be the alternator diodes playing up before they fail altogether?
Russ

1981 TR7 Sprint DHC & TR7 Sprint FHC
Dursley
UK

http://tr7russ.blogspot.co.uk/

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FI Spyder
TRemendous
Posts: 8774
Joined: 03 Jul 2006 19:54
Location: Canada

Re: Ignition light

Postby FI Spyder » 15 Oct 2018 15:23

Not had it happen on TR7 but on my Integra the ignition light would come on often even though voltage reading was good and never had a problem with battery. There was a vampire drain in the system at .3 amps which meant when I left the car for three or four days the battery would be flat. I had sprayed the ignition switch with graphite and it was conducting a current when the switch was off (and presumably interfering with the ignition light balance circuitry). I flushed out the graphite in the ignition switch with silicone spray and the vampire drain stopped and the ignition light didn't come on. I would spray the ignition switch with silicone working it back and forth and see if that fixes the problem. Can't hurt and is probably something that should be done anyway.
- - -TR7 Spider - - - 1978 Spitfire- - - - 1976 Spitfire - - 1988 Tercel 4X4 - Kali on Integra - 2013 Volt - Yellow TCT

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