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Fj20 Alternator Wiring

OUTATIME

By OUTATIME,
in Classic & Vintage (1950's-1980's)

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OUTATIME Community Regular

OUTATIME

Posted
Posted

need some help wiring up my rb20 into my dr30.

using a l series alternator, ive got it all wired up apart from the ground (-) wire. just the single little spade type plug that goes on the back of the alternator. not sure which 1 it is on the fj20 loom. possible yellow wire on its own all i can see being a possibility.

can some 1 shed some light on the subject? or take a pic of their alternator wiring would b ace

cheers...

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https://www.sau.com.au/forums/topic/244888-fj20-alternator-wiring/
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  • 4 months later...
OUTATIME Community Regular

OUTATIME

Posted
  • Author
Posted

still havin trouble with this. just that one wire on the back of the alternator. also have an rb30 alternator as well if thats any easier or some 1 has already wired 1 up in a dr before.

wanna get this thing runnin 100% b4 i take it on track

cheers...

  • 3 weeks later...
OUTATIME Community Regular

OUTATIME

Posted
  • Author
Posted

cheers mate, been thru bout all the posts cnt find anything.

just wanna no what wire is the alternator charge light. if some 1 can send me a pic of bak of the alternator in the car (dr30 fj20et) or a wiring diagram. can only find ecu wiring diagrams not engine or actuall car looms etc

cheers

QWK32 Veteran

QWK32

Posted
Posted

dont know if this will help you but on some alternators, you can use a multimeter to find the charge light wire (your talking about the one for the dash light aren't you?). from memory it will have -ve polarity when the alternator isn't charging (car isn't running) and +ve once the alternator is charging.

OUTATIME Community Regular

OUTATIME

Posted
  • Author
Posted

cheers man, yea been thru the plugs in the engine bay with ign on and test light to ground so would make the charge light light up when i found it but no luck. can only find 1 wire down where the that big plugs where the gearbox loom and oil sender wires go that leads no where. hook the test light up 2 that and get all the lights on the dash working. so not sure if thats it cos thought just the batt light should light up. if that makes any sense.

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