Hello. Sometimes the battery light comes on, but I checked with the meter several times that when the light came on, the charging is correct around 2.30 pm. I replaced the voltage regulator half a year ago (replacement instead of Bosch) ... maybe the regulator's fault ... I installed the...

The year of the car is? Meter version with green or blue backlight?

Does the excitation cable not short-circuit to ground, if not, the alternator itself burns How were the slip rings?

Blue counter 2000r .. Half a year ago, when I replaced the regulator, I had doubts because the brushes in the old regulator were still quite long. The ring was worn but probably still normal. I already have a second alternator, but it is still holding back.

Blue thin cable from the alternator to the meter. Likes to rot near the starter. The end is behind the fuse box. There it also connects to the auxiliary heater beam. A damaged additional heater controller can also mess up

VW T4 2.5TDI - Battery Light On, Charging Correctly: Voltage Regulator, Second Battery & Checks

darko b 8418 4

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#1 16536504 18 Jun 2017 11:22

darko b darko b

Level 13

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Post #1
16536504 18 Jun 2017 11:22

Hello. Sometimes the battery light comes on, but I checked with the meter several times that when the light came on, the charging is correct around 2.30 pm. I replaced the voltage regulator half a year ago (replacement instead of Bosch) ... maybe the regulator's fault ... I installed the second battery. What else to check?
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#2 16536509 18 Jun 2017 11:24

T5 T5

Admin of Cars group

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Post #2
16536509 18 Jun 2017 11:24

The year of the car is?
Meter version with green or blue backlight?
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#3 16536514 18 Jun 2017 11:26

bizon_126 bizon_126

Level 31

» | Helpful post? (+1)

Post #3
16536514 18 Jun 2017 11:26

Does the excitation cable not short-circuit to ground, if not, the alternator itself burns
How were the slip rings?
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#4 16536578 18 Jun 2017 11:50

darko b darko b

Level 13

» | Topic author Helpful post? (+1)

Post #4
16536578 18 Jun 2017 11:50

Blue counter 2000r .. Half a year ago, when I replaced the regulator, I had doubts because the brushes in the old regulator were still quite long. The ring was worn but probably still normal. I already have a second alternator, but it is still holding back.
#5 16536587 18 Jun 2017 11:53

T5 T5

Admin of Cars group

» | Helpful post? (+1)

Post #5
16536587 18 Jun 2017 11:53

darko b wrote:
What else to check?
Blue thin cable from the alternator to the meter. Likes to rot near the starter. The end is behind the fuse box. There it also connects to the auxiliary heater beam. A damaged additional heater controller can also mess up
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VW T4 2.5TDI - Battery Light On, Charging Correctly: Voltage Regulator, Second Battery & Checks

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