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Matt,
I'll
just paste in a well used set of instructions from my tech collection - shout if
you don't understand any or some of it.
First
thing to do is to clean up all of the wires at the old alternator end and also
identify the wires at the connector plug at the Hitachi regulator. wiring in
Bosch alternator to the stock loom is a doddle.
regards
Terry
----- Original Message -----
From: Terry
Sent: Saturday, November 04, 2000 3:33
PM
Subject: RE: Bosch IR Alternator and
Electric Fuel Pump Wiring!!
Zac
(& someone others wanted this, Michael &
Paddy),
Disconnect both battery terminals
Alternator wiring (Bosch IR)
White/Red (thick wire) > B+
(I
recommend if you have over 300w headlights & a mega amp etc that you
run an extra 6 mm shielded wire from B+ to the Starter
Solenoid as the stock 510 loom wire is rated at 35 amps and turns
into a cigarette lighter with the high draw and charge that your Bosch
alternator is capable of.
Yellow > Ind
Black
(-) > (E)arth (some Bosch don't have a terminal so just use the screw on the
back that's for a suppressor.
White/Black (Field) > not used
Suppressor
Connect the barrel to the Alternator body and the wire end to the B+
terminal. A suppressor is not required at the old external regulator end so
discard if one is fitted.
External Regulator (Hitachi or
Lucas)
Pull
the connector plug at the regulator
Make
up a jumper with 2 male spades and bridge Yellow to White/Red in the plug
on the loom side.
Connect battery and start your engine. Check that the alternator is
charging with a multi-tester and load test it with the lights
on.
Fuel Pump.
Wire
the relay thus:
Pin 30
- fused power from battery (4 mm)
Pin 85
- Earth (2 mm)
Pin 86
- Ignition (2 mm)
Pin 87
- Pump (+) (4 mm shielded)
Pump
(-ve) to Earth (2 mm)
* By
shielded I mean run it inside that black stuff that's used on modern day cars
that protects wires from insulation damage.
regards
Terry
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- URGENT alternator probs Matthew Cherry
- Terry Rudd
