Engine starting on position II ??

Started by Aubec, March 17, 2014, 11:05:06 AM

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Aubec

Hi chaps - haven\'t been on for a while as the car has been hibernating over winter.  Just popped a recharged battery back in, and engine started first time!  Hooray!

Except... not hooray, because the engine started with the key at position II (ON), rather than being twisted to III (START).  I could probably live with that if it didnt also mean the starter motor must be spinning away constantly.

Where do I begin to hunt down this little gremlin?  Something must be shorting and I sure as hell don\'t want a fire!
Aubec
 
1995 UK Silver FD
...nearly drivable...Just need MOT...

boosted

2 feeds to starter motor...1  live big 1. Other 1 solenoid feed...id check at the starter first. Pos 3 will make solenoid live and engage starter...must be a short across starter to solenoid.
92 FD rx7 Twins 13.5psi.  EX Track car
EAT SLEEP ROTOR REPEAT.

boosted

2 bolts it will drop out....might be easier to bench test it.Bit safer that way.
92 FD rx7 Twins 13.5psi.  EX Track car
EAT SLEEP ROTOR REPEAT.

Prof

^^^ What he said ^^^
 
Key switch start (cranking) feeds the starter solenoid - it\'s job is twofold - to spin the starter, and engage it into the clutch ring gear.  If it\'s receiving +12v on the little wire all the time you have key in position 2, then something is shorting somewhere !
 
Time to chase wires!:eek:
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex


Aubec

Aubec
 
1995 UK Silver FD
...nearly drivable...Just need MOT...