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Old 12 Aug 2008, 23:51 (Ref:2268160)   #1
Bevan-L's Avatar
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Wiring 6 Pole FIA Master Switch

need some help with wiring in a 6 pole master switch to the alternator.
My previous engine's alt only had one main wire running to it from the battery and one other wire for the charge light on the dash. My current engine has 3 wires going to the alternator.
How would I hook up the 6 pole master switch and where on the diagram I've attached.
(its how everything is currently wired up)

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Old 13 Aug 2008, 07:17 (Ref:2268269)   #2
Al Weyman
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To stop the alternator charging you have to break the current of the field coil activator wire if the wire is not switched off when the main switch is turned the alternator will carry on charging powering the ignition and the engine will not shut down. On an AC DElco alternator this is terminal 2. Terminal 1 is for the light. Funny enough I had a short in the alternator recently, the main terminal came undone internally and burnt the wiring out it also blitzed the FIA switch. Mind you I had the wiring done professionally so I just changed the switch and rewired the alternator so where everything went I am not 100% sure! I do know on another car I have which I did wire up does not have the diode and I have a separate manual field coil switch which when i switch off will kill the engine.
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