Id start the car, rev it to 2k for a second and measure the voltage. I often skip that charging light for simplicity sake and I run ammeters on everything. 81 rabbit, start car no charging, blip it to 1500 and it charges away. My lotus I removed the charge light, blip it to 1500 and it charges. You rev the motor and after a certain RPM she starts charging There are sold so called one wire or self exciting alternators. The model is 1990 XF Ford Falcon Panel Van running 250 cross flow 6 in line engine. My apologies as I accidentally deleted your reply when posting this diagram. This is how it is supposed to work but I cannot find a reference to a D+ terminal in the available diagrams so be very careful. The field excitation initially comes through the warning light from the battery and the warning light goes off when the current reverses once the alternator begins charging. This is the best I can do for you - be careful with the connections, if you get them wrong, you will destroy the inbuilt voltage regulator. I have heard of this wiring configuration but not certain which alternators and vehicle model years it applies to. What model year is your Falcon van? The wiring depends on what alternator was originally fitted and what model alternator you are using as a replacement. So my question is should the bulb be wired up between the "D+" terminal on the back of the alternator and the live wire on the ignition switch? My Ford Falcon Panel Van has a reconditioned alternator fitted but its not charging the battery.Īn auto electrician has informed me that the alternator dash light has to be wired up because its the bulb that excites the alternator diodes and if the diodes are not excited then the alternator will not charge the battery. Australian RR Forums: Bosch Alternator wiring
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