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Afternoon,

Quick question i have just dropped a in a 200 tdi into what was a NA diesel.

at the same time the bulk head was changed so now got round to wiring everything up.

I got the engine to start no problems.

But i am not getting any battery charge light on the dash but the battery is charging at 14 and bit volts.

I have tested the continuity (which was ok) of the wire from the back of the dash all the way back to the alternator on the b terminal

Should i see a voltage on this wire (using a multimeter) ?

also tested the warning light bulb which was ok too.

thanks for any Input

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Paul,

shouldn't the light go out when it's charging???

Mark

Sorry meant to say that the is no charge light when the engine not running but the ignition is on

but when the engine is running the battery seems to be charging

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Afternoon,

Should i see a voltage on this wire (using a multimeter) ?

With the ignition on and the engine running, yes, you should see battery voltage. This is the "exciter wire" which "excites" the coils in the alternator.

If you haven't got battery voltage with the ignition on I don't know how it can be charging, then again I'm no auto electrician....... :blink:

Mark

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With the ignition on and the engine running, yes, you should see battery voltage. This is the "exciter wire" which "excites" the coils in the alternator.

If you haven't got battery voltage with the ignition on I don't know how it can be charging, then again I'm no auto electrician....... :blink:

Mark

SO I should be seeing 12volts on the exciter wire at the dash with the ignition on but the engine off?

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