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#1
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alternator charging lamp dash circuit on 83 300td
I've been repairing burnt tracks on the circuit board behind the instrument guages and in trying to fault find a root cause have come accross a problem with the alternator charging lamp circuit.
The haynes manual shows the alternator dash lam circuit coming in on pin #7 of the 15 pin connector that goes in the back of the panel. I have a blue wire in that pin #7. However, the wiring loom has a blue/brown wire with a bulb socket on the end and this thing was in the socket for the alternator warning lamp. I checked the alternator and it has the same blue/brown wire. Theproblem is that the bulb socket attached to the wire just lays loose in the hole in the circuit board - ther eis no firm electrical connection - seems that something is missing. If I simply remove one of the indicator lamps from the dashboard and plug that into the alternator warning lamp socket, then the light comes on when I key on {engine does not run so I can't tell if it goes out ot not when I start} So problem is : 1. I have a mystery 'blue' wire attached to my pin#7 2. I have a blue/brown wire that comes from alternator to a bulb socket that can't seat positively in the instrument panel. The haynes manual refers to a blue/brown wire but going to pin#7. Confused. Steve |
#2
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Seems I got the colours wrong. I have a blue wire to pin #7 - and also a blue wire from alternator - so that seems to be by the book.
I have a blue/black wire to pin #6 - yet haynes seems to think that 83 300TD should have Blue/Red. My blue/red wire is wired directly to a 'bulb holder' that was lying in the alternator warning lamp socket Sorry about my mis-information. So my question is :- where shopudl my blue/red wire with bulb attached go? |
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