Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
Dashboard PCB Replacement (CJH Design)	TwinTurbo	Today, 11:41	Once this week	Electrical & Instrumentation
Dashboard PCB Replacement (CJH Design)	TwinTurbo	01 Jul 2025, 07:24	Once this week	Electrical & Instrumentation

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Last post

VDO cruise control

Last post by MarcoT3 « 18 Apr 2025, 15:50
Replies: 2
by MarcoT3 » 16 Apr 2025, 16:31

Hi,

Does anyone else have the VDO tempostat cruise control? It looks like a factory installation on my van.

Thanks

2 Replies

3681 Views

Last post by MarcoT3
18 Apr 2025, 15:50
Starting Issues electrical fault

Last post by Willsk « 11 Apr 2025, 16:49
Replies: 4
by Willsk » 04 Apr 2025, 11:44

Hi

I’m based in Leicester and am having issues starting my van (1981 1.6 diesel westfalia)
I’m really struggling to find the route cause of this...

4 Replies

4271 Views

Last post by Willsk
11 Apr 2025, 16:49
Sink Tap T25 1990

Last post by maxstu « 10 Apr 2025, 18:45
Replies: 2
by msvs » 07 Apr 2025, 13:10

Hi there first post so be kind please ! We have a 1990 T25 California, LHD import. Had it for 8 years and the sink tap has never worked. Finally got...

2 Replies

3680 Views

Last post by maxstu
10 Apr 2025, 18:45
Android head unit constantly on

Last post by Alfredo « 08 Apr 2025, 08:21
Replies: 12
by Alfredo » 07 Apr 2025, 16:14

I have spoken about this issue over on the what have you done to your van today thread but I thought it would be better to start a new thread.

I...

12 Replies

4515 Views

Last post by Alfredo
08 Apr 2025, 08:21
starter motor issues

Last post by Robsey « 01 Apr 2025, 22:29
Replies: 7
by Plasticman » 01 Apr 2025, 20:21

I have a G reg Auto homes (petrol) with a starter issue,

Turn the key all lights come on as they should but starter doesnt engage, I can hear a...

7 Replies

5018 Views

Last post by Robsey
01 Apr 2025, 22:29
Only running on 2 pots

Last post by Robsey « 01 Apr 2025, 22:18
Replies: 3
by Plasticman » 01 Apr 2025, 20:38

The other problem with the G reg petrol van is running....

Starts great (with jump switch to solenoid) but only runs on two pots, the front pairs...

3 Replies

4043 Views

Last post by Robsey
01 Apr 2025, 22:18
Reading VW wiring diagram

Last post by Robsey « 24 Mar 2025, 20:52
Replies: 10
by MarcoT3 » 22 Mar 2025, 14:14

Hi guys, on the top of the VW wiring diagram there is a line marked 31. In the wiki it says this is ground. Am I right in assuming this is a ground...

10 Replies

14515 Views

Last post by Robsey
24 Mar 2025, 20:52
A4 +ve?

Last post by MarcoT3 « 24 Mar 2025, 19:12
Replies: 6
by MarcoT3 » 22 Mar 2025, 21:33

Hi all, does anyone know where the A4 positive in dash wiring loom noted below is in reality in the van? Thanks :D

6 Replies

7491 Views

Last post by MarcoT3
24 Mar 2025, 19:12
Temp gauge issue

Last post by TwinTurbo « 22 Mar 2025, 17:39
Replies: 6
by Africatwin » 21 Mar 2025, 18:54

Sorry admin. Originally posted in “mechanical” but it’s moved on to an electrical I think.

This is the original post

Evening all.

Newly acquired...

6 Replies

13734 Views

Last post by TwinTurbo
22 Mar 2025, 17:39
No Main Beam - no Blue LED

Last post by MarcoT3 « 22 Mar 2025, 14:19
Replies: 2
by trentjim » 21 Mar 2025, 14:21

noticed last night that i had a problem with the lights...
ive not really investigated yet but first impression is that dip is working but main beam...

2 Replies

8563 Views

Last post by MarcoT3
22 Mar 2025, 14:19
Buzzing, but not in a good way.

Last post by AlBundy « 20 Mar 2025, 16:44
Replies: 14
by AlBundy » 19 Mar 2025, 13:51

1.6 Diesel 1986 Bilbo Conversion.

I haven't been able to start the engine, and have narrowed the issue down to the box at the back left of the...

14 Replies

26713 Views

Last post by AlBundy
20 Mar 2025, 16:44
Headlamps improvements

Last post by Alfredo « 18 Mar 2025, 18:32
Replies: 35
by Simon Baxter » 14 Feb 2025, 15:24
1

2

3
How do.
A customer recently asked us is we had any headlamp relays kits to which the answer was no, too many variables for us but we do have all the...
35 Replies

48325 Views

Last post by Alfredo
18 Mar 2025, 18:32
Early van / electrics, intermittent wiper relay?

Last post by Jay Goll « 15 Mar 2025, 23:13
Replies: 13
by bmouthboyo » 01 Aug 2018, 19:20

Hi Guys,

I have an early 83 van, originally a DG which has the old electrics with ceramic fuses etc.

Is it possible to easily upgrade the wipers so...

13 Replies

19606 Views

Last post by Jay Goll
15 Mar 2025, 23:13
Decent New battery

Last post by Oldiebut goodie « 13 Mar 2025, 14:40
Replies: 5
by Jay Goll » 05 Mar 2025, 14:37

Hi there,

does anyone have some good recommendations for a new main battery for T25 2.0 cu Aircooled.
I saw an old post back in 2018 for a bosch 065...

5 Replies

16440 Views

Last post by Oldiebut goodie
13 Mar 2025, 14:40
Stereo adapter

Last post by Robsey « 10 Mar 2025, 19:31
Replies: 7
by AlBundy » 29 Nov 2024, 17:08

The car stereo was running the battery down, so I took it out. So far so good, but I would like to replace it with something newer, and obviously the...

7 Replies

21799 Views

Last post by Robsey
10 Mar 2025, 19:31
No front indicator LH side

Last post by Rik « 07 Mar 2025, 18:08
Replies: 3
by jacko1967 » 06 Mar 2025, 14:23

Hi my front L H side indicator has stopped working I've checked the bulb and it's fine all the others work. the relay clicks fast as if the bulb is...

3 Replies

15363 Views

Last post by Rik
07 Mar 2025, 18:08
Replacing blower fan without removing heater box

Last post by SyncroMatt « 04 Mar 2025, 18:24
Replies: 10
by SyncroMatt » 04 Mar 2025, 13:49

Is it possible/ Sensible?

I’m not inclined to remove the whole heater box at present and disconnect the heater matrix.

Is it feasible to open the...

10 Replies

18153 Views

Last post by SyncroMatt
04 Mar 2025, 18:24
Clock, Door Interior Light, Stereo/CD Player Fault

Last post by ZsZ « 04 Mar 2025, 05:33
Replies: 26
by maxstu » 06 Jan 2025, 21:23
1

2
Boy, did we have a deluge of stormy weather and rain here in Margate. Carried on from Saturday afternoon and all through Sunday until the wee hours,...
26 Replies

35383 Views

Last post by ZsZ
04 Mar 2025, 05:33
Carb Relay DG1.9

Last post by maxstu « 03 Mar 2025, 10:56
Replies: 7
by maxstu » 28 Feb 2025, 20:32

The 40 amp relay number 1 in black box in engine bay has failed. It does not click when 12v is put on 87 and 30. Opened it up and can't find anything...

7 Replies

17794 Views

Last post by maxstu
03 Mar 2025, 10:56
Intermittent starter motor

Last post by Burtybassett « 19 Feb 2025, 18:41
Replies: 4
by Welshclimber » 17 Feb 2025, 13:13

Hi all, I’m still having some issues with the starter motor clicking occasionally and not starting. I’ve replaced the spade connector, but noticed...

4 Replies

17920 Views

Last post by Burtybassett
19 Feb 2025, 18:41
RGB led bulbs in cluster/dash

Last post by Italjohn « 05 Feb 2025, 13:08
Replies: 2
by Italjohn » 24 Jan 2025, 13:41

Hi guys.
Here is my new RGB led upgraded cluster/dash.
Controlled by and APP or a redio remote.
It is also music controlled, so it can act as a disco...

2 Replies

15184 Views

Last post by Italjohn
05 Feb 2025, 13:08
1.9 DG distributor won't come off

Last post by Oldiebut goodie « 05 Feb 2025, 09:18
Replies: 4
by Swordfish93 » 04 Feb 2025, 16:41

I am trying to remove my distributor off my 83 1.9dg but it won't come loose. I have removed both nuts for the clamp and made sure the engine is TDC...

4 Replies

16090 Views

Last post by Oldiebut goodie
05 Feb 2025, 09:18
distributor help

Last post by Che « 01 Feb 2025, 19:50
Replies: 9
by Che » 31 Jan 2025, 17:13

I think my distributor is causing starting issues on my 1.9DG.

When looking at it today, I noticed that the vacuum unit on the
dizzy is taped up!...

9 Replies

19206 Views

Last post by Che
01 Feb 2025, 19:50
Interior light - galley

Last post by Freddievan « 27 Jan 2025, 19:09
Replies: 2
by Freddievan » 27 Jan 2025, 13:19

Hi

Shortly after I bought my van, around 11 years ago, my galley light (over the cooker) died. I replaced it with something that looked like the...

2 Replies

14605 Views

Last post by Freddievan
27 Jan 2025, 19:09
RM212 Fridge - Electric Ignition not working

Last post by Alexlib « 25 Jan 2025, 18:26
Replies: 10
by kimmypw » 23 Jun 2020, 11:55

Hello, i have started experiencing issues with my RM212 3 way fridge.

The fridge is working fine on the mains, however the electric igniter switch...

10 Replies

21418 Views

Last post by Alexlib
25 Jan 2025, 18:26
Engine doesnt stop when ignition ‘off’

Last post by Barybus « 21 Jan 2025, 22:23
Replies: 66
by 100leelee » 16 Jun 2019, 19:27
1

2

3

4

5
Hi
Two questions in one really, well a statement then a question..
1.9dg 1986 lpg conversion

So, after having the dash out, I tidied up the po mess...
66 Replies

85599 Views

Last post by Barybus
21 Jan 2025, 22:23
Sink water pump problem

Last post by dcworm57 « 21 Jan 2025, 14:51
Replies: 8
by Profscooter » 16 Sep 2017, 11:17

Hi all, first post here, I have recently acquired my first VW camper, a 1986 Auto-Sleeper high top T25, yes I know, only 31 years late to the party....

8 Replies

19705 Views

Last post by dcworm57
21 Jan 2025, 14:51
Internal Charger for Leisure Battery

Last post by Oren Kipnis « 16 Jan 2025, 14:37
Replies: 7
by keynsham1 » 14 Jan 2025, 19:42

Currently I have no charger in by van for charging the leisure battery when using the EHU. I had a fancy CTek one but it failed and the replacement...

7 Replies

18080 Views

Last post by Oren Kipnis
16 Jan 2025, 14:37
Light switch light

Last post by Rik « 01 Jan 2025, 14:24
Replies: 18
by clone123 » 03 Dec 2020, 14:16
1

2
Hi just sorting all my lights on my dash my question is should the headlight switch have a light in it as I have no bulb holder or extra wires to go...
18 Replies

29081 Views

Last post by Rik
01 Jan 2025, 14:24
Wiring caught fire

Last post by Robsey « 29 Dec 2024, 20:18
Replies: 19
by Camfrank99 » 05 Jun 2021, 18:39
1

2
Hi guys I was recently passed down my dads t25 after he passed and he was still messing with it before he left, so today I got a new battery for it...
19 Replies

27002 Views

Last post by Robsey
29 Dec 2024, 20:18
Cu 2.0 Alternator adaptation

Last post by Burtybassett « 27 Dec 2024, 11:08
Replies: 4
by Heaver » 23 Dec 2024, 18:58

Hi all,
Managed to snap a bolt on my 45amp alternator, and believe new replacements are impossible to find (ones that are any good).

Has anyone...

4 Replies

15048 Views

Last post by Burtybassett
27 Dec 2024, 11:08
T 25 starter battery

Last post by Mocki « 14 Dec 2024, 16:04
Replies: 2
by pan-al » 14 Dec 2024, 10:46

Hi could anyone advise me on a suitable starter battery AH I would need for my 1900 dg engine.thanks .

2 Replies

13662 Views

Last post by Mocki
14 Dec 2024, 16:04
Courtesy light extender

Last post by Stesaw « 10 Dec 2024, 18:34
Replies: 16
by 123-jn » 01 Jan 2015, 18:42
1

2
I have just built a little circuit which works a treat. It allows the courtesy light to stay on and dim over about 10 seconds after the door closes....
16 Replies

36502 Views

Last post by Stesaw
10 Dec 2024, 18:34
Faulty fuel gauge and rev counter

Last post by Oldiebut goodie « 10 Dec 2024, 15:36
Replies: 9
by PasQuYto » 30 Nov 2024, 21:40

Hello, i have recently bought myself a 1990 T3 1.6TD with a faulty rev counter and fuel gauge.
I am wondering what are the first things to check, i...

9 Replies

18511 Views

Last post by Oldiebut goodie
10 Dec 2024, 15:36
After Market Head Unit

Last post by Che « 01 Dec 2024, 20:50
Replies: 18
by Che » 24 Nov 2024, 11:26
1

2
Hi all,

Thinking of removing the stereo and fitting a head unit which has a touch screen and android auto capabilities.

Seen some on Amazon which...
18 Replies

30165 Views

Last post by Che
01 Dec 2024, 20:50
Hazard lights blow fuses

Last post by R0B « 30 Nov 2024, 20:56
Replies: 3
by Mickybradshaw » 30 Nov 2024, 15:47

Hi all - I've reached head scratching time; 1983 1.6d van, indicators all work but no hazards - checked the fuse which had blown but when I replace...

3 Replies

14059 Views

Last post by R0B
30 Nov 2024, 20:56
Engine running 12.5 volts = alternator not working?

Last post by keynsham1 « 29 Nov 2024, 10:47
Replies: 4
by AlBundy » 12 Oct 2024, 09:35

As per subject, the battery performance was poor, running down a lot more regularly than it should, and last week didn't start at all.

Removed...

4 Replies

14609 Views

Last post by keynsham1
29 Nov 2024, 10:47
Running Cibie spotlights off leisure battery.

Last post by Stesaw « 27 Nov 2024, 18:06
Replies: 2
by Quzzy » 27 Nov 2024, 15:10

Ive got some dipping Cibies that I will run off relays linked to the original wiring for switching. However rather than run a large live all the way...

2 Replies

13682 Views

Last post by Stesaw
27 Nov 2024, 18:06
Faulty bosch 0261200284 / vw 025906022d digifant i df1

Last post by davidoft1 « 20 Nov 2024, 13:12
Replies: 22
by crankythecamper » 24 Jul 2021, 17:03
1

2
Hi All,

First time posting so hopefully I am doing this right!

I was just wondering if you could help me, I have a faulty ecu on my VW T25...
22 Replies

29119 Views

Last post by davidoft1
20 Nov 2024, 13:12
Wouldn't start - Happy ending, some lessons learnt!

Last post by Piratepete « 11 Nov 2024, 23:16

by Piratepete » 11 Nov 2024, 23:16

Hi Guys. Had a good summer in Cybil with no problems at all (apart from wife locking us out once :D ). Always instant start.
Home on 26th Oct. Two...

0 Replies

13747 Views

Last post by Piratepete
11 Nov 2024, 23:16
Dash Foil/PCB Options

Last post by TwinTurbo « 07 Nov 2024, 21:50
Replies: 32
by chrisevans » 07 Oct 2024, 10:52
1

2

3
I have a late Diesel Engine Dash with Tacho. I managed to damage(cut) the track in a couple of places when replacing the regulator, trying to get the...
32 Replies

36739 Views

Last post by TwinTurbo
07 Nov 2024, 21:50
axiliary water pump staying on

Last post by Oren Kipnis « 29 Oct 2024, 20:18
Replies: 3
by morganite » 29 Oct 2024, 17:18

Hi, 1.6 td, my axiliary water pump is staying on and running the battery down, is there a relay somewhere that should shut the water pump down once...

3 Replies

13004 Views

Last post by Oren Kipnis
29 Oct 2024, 20:18
axiliary water pump staying on

Last post by morganite « 29 Oct 2024, 17:18

by morganite » 29 Oct 2024, 17:18

Hi, 1.6 td, my axiliary water pump is staying on and running the battery down, is there a relay somewhere that should shut the water pump down once...

0 Replies

13798 Views

Last post by morganite
29 Oct 2024, 17:18
Switch wiring routing

Last post by chrisevans « 28 Oct 2024, 20:37

by chrisevans » 28 Oct 2024, 20:37

Couple more questions . What is the order for the right hand switches? The wires seem a little tight in which ever way I fit the blinker switch and...

0 Replies

13372 Views

Last post by chrisevans
28 Oct 2024, 20:37
Swedish Syncro Doka - Fogs and Washer Pump

Last post by chrisevans « 24 Oct 2024, 15:07
Replies: 7
by chrisevans » 21 Oct 2024, 21:00

My Syncro Doka was from the frozen North(Sweden) so came with Day time running lights and washer pump for the head lights. There is a separate wiring...

7 Replies

15473 Views

Last post by chrisevans
24 Oct 2024, 15:07
A bad alternator?

Last post by TwinTurbo « 23 Oct 2024, 06:26
Replies: 3
by willmagrath » 22 Oct 2024, 19:51

Hi all,

Van was fine, drove it 30 miles no issues and then has repeatedly started well whilst sat and we've been working on it.

We then left it...

3 Replies

13909 Views

Last post by TwinTurbo
23 Oct 2024, 06:26
Wipers and Horn not working

Last post by Rik « 14 Oct 2024, 06:04
Replies: 7
by willmagrath » 01 Oct 2024, 08:47

Hi all,

New T25 and VW owner here. On friday I picked up a high top T25 in need of some work. Needs an MOT but the wipers and horn dont work....

7 Replies

14822 Views

Last post by Rik
14 Oct 2024, 06:04
Charging/Alternator light on at 55mph!

Last post by TwinTurbo « 12 Oct 2024, 13:14
Replies: 8
by Che » 10 Oct 2024, 17:26

Hey,
So we have a Devon Eurovette (MY 85, registered 87) 1.9 DG with a four speed box.

So, while driving at 55mph and upwards, the...

8 Replies

14986 Views

Last post by TwinTurbo
12 Oct 2024, 13:14
How to replace rubber boots behind rear light cluster

Last post by bessiebelle « 11 Oct 2024, 11:21
Replies: 2
by bessiebelle » 09 Oct 2024, 17:54

I'm trying to replace the rubber boots behind the rear light cluster

I can't figure out how to detach the connector from the light so I can slip the...

2 Replies

12617 Views

Last post by bessiebelle
11 Oct 2024, 11:21

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