Reply With QuoteWhich alt.have you used and is the A/C wiring still intact?Originally Posted by rijidij
ChatterBox
SubscriberCan someone work this one out ??
When I removed the V8 and fitted the Isuzu I also fitted the stop solonoid from the truck. It's 24 volts, but it seems to work fine with 12 volts. I fitted a switching relay which has good power feed to it from the battery and I used the + wire that used to go to the coil on the V8 as the on/off feed as this switches with the ignition.
Now, everything works fine. If I turn the ignition on and off without the engine running I can see and hear the solonoid working perfectly both ways. The engine starts every time and runs great, but when it comes to switching the engine off, it will only swith off if I hold my foot on the brake while I turn the key off. If I don't hold my foot on the brake the engine keeps running and the alternator light comes on.
Any ideas ?
'88 County Isuzu 4Bd1 Turbo Intercooled, '96 Defender 130 CC VNT
'85 Isuzu 120 Trayback, '72 SIIA SWB Diesel Soft Top
'56 SI Ute Cab
Master
Which alt.have you used and is the A/C wiring still intact?
ChatterBox
SubscriberThe alternator is a Hitachi. Same as on the truck, only 12 volt instead of 24. Plugged straight in to same loom.
A/C wiring is still in place, although I've used the heater fan wires on the non-a/c unit I fitted.
'88 County Isuzu 4Bd1 Turbo Intercooled, '96 Defender 130 CC VNT
'85 Isuzu 120 Trayback, '72 SIIA SWB Diesel Soft Top
'56 SI Ute Cab
RoverLord
It seems that you have voltage remaining on the relay that depends on the engine running, but which drops when the brake light is switched on. I would strongly suspect a poor engine to chassis earth (or alternator to engine), or some other earthing point in the wiring, but most likely engine to chassis.
John
John
JDNSW
1986 110 County 3.9 diesel
1970 2a 109 2.25 petrol
Master
I think you need a diode in the warning light ignition feed wire,the one I used was in the A/C wiring (I have removed the A/C and this was in the bits I removed)yours being a petrol may not have this diode,I think the army ones have one in their warning light .The auto elecs.here should be able to help. The only P/N I came find is AAAU5034.
ForumSage
Like the others have said, your stop relay is being backfeed enough voltage to keep it alive.
I wired in a relay to stop such shennanigans.
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