Electrical & Instrumentation

Moderators: User administrators, Moderators

3628 topics

Page 2 of 73
- Jump to page:
Previous
1
2
3
4
5
…
73
Next

Most liked posts	Author	Posted	Liked	Forum
Which tab is for flashing headlights?	simonmarsh	10 Oct 2026, 08:37	Once this week	Electrical & Instrumentation

Topics

Replies

Views

Last post

Speedo not working

Last post by therealchrisgray « 01 Jul 2026, 11:14
Replies: 2
by therealchrisgray » 16 Jan 2026, 16:33

Hi all, I need a bit of troubleshooting and advice.

I just replaced the speedo cable, but the needle still isn't moving. Does this mean the speedo...

2 Replies

25068 Views

Last post by therealchrisgray
01 Jul 2026, 11:14
Aftermarket Rev Counters

Last post by Shinnster « 30 Jun 2026, 23:04
Replies: 8
by Madmaninshed » 28 Jun 2026, 10:39

Hi, My 1900 DG engined water cooled 1986 van has a 2” aftermarket analogue rev counter, fitted by the last owner. It jumps about, and gives...

8 Replies

2435 Views

Last post by Shinnster
30 Jun 2026, 23:04
Brake lights always on my 1985 T25

Last post by The Hairy Camper « 29 Jun 2026, 20:25
Replies: 8
by jakestroudley » 25 Jun 2026, 21:28

I have a RHD 1985 T25 and the brake lights are staying on full time. I have read a post to see what the issue is, and I think I understand that the...

8 Replies

2555 Views

Last post by The Hairy Camper
29 Jun 2026, 20:25
Speedo

Last post by maxstu « 29 Jun 2026, 17:56
Replies: 4
by Lillythefrenchie2026 » 28 Jun 2026, 14:24

Is it common for T25 speedos to bounce whilst moving, mine jumps about 2-3mph when driving in every gear!

4 Replies

2767 Views

Last post by maxstu
29 Jun 2026, 17:56
2E3 "SERVO" CHOKE.

Last post by tobydog « 20 Jun 2026, 09:50
Replies: 2
by TwinTurbo » 19 Jun 2026, 20:24

Do people generaly find the 2e3 autochoke a bit rubbish?

I am designing a replacement for the auto choke ditching the spring, cams, bi metalic and...

2 Replies

2266 Views

Last post by tobydog
20 Jun 2026, 09:50
1990 1.9 DG Waterboxer replacement rotor arm shorted out?

Last post by tobydog « 17 Jun 2026, 08:02
Replies: 9
by SWTurbo » 11 Jun 2026, 19:39

Fitted a new rotor arm and distributor cap to a 1.9 DG, few miles down the road it broke down and a recovery company said the new rotor arm was...

9 Replies

4084 Views

Last post by tobydog
17 Jun 2026, 08:02
Cu engine not running on lh bank

Last post by silverbullet « 16 Jun 2026, 06:45
Replies: 3
by crazydiamond » 14 Jun 2026, 13:55

Im pulling my hairout.
2LT cu Aircooled
on lpg or petrol, new plugs and leads and tried old leads and plus as well. Found a manifold leak but fixed...

3 Replies

3004 Views

Last post by silverbullet
16 Jun 2026, 06:45
Manifold Heater problem. 1.9 WBX early

Last post by VWKat « 14 Jun 2026, 20:59
Replies: 17
by VWKat » 15 Feb 2018, 15:21
1

2
Hello,

Back again. New day, new problem.

It started out with a small voltage drop, then I couldn't start my van and there was a large voltage...
17 Replies

10903 Views

Last post by VWKat
14 Jun 2026, 20:59
1.9DG - No Spark

Last post by VWKat « 14 Jun 2026, 20:00
Replies: 3
by VWKat » 14 May 2026, 13:18

Hello, returning again - still got my Van, 20+ years - still love it, I'm giving it an overhaul and also a repaint currently, windscreen also needs...

3 Replies

3456 Views

Last post by VWKat
14 Jun 2026, 20:00
LED (DOT approved) Headlights. A question

Last post by mioba « 11 Jun 2026, 17:57
Replies: 3
by THE KESZTHELY KID » 11 Jun 2026, 12:15

I am considering purchasing a set for Bezza, my 1980 Westy. On my failed trip :( to Holland I fitted the 'Beam-Benders' onto Bezza's 7 H4...

3 Replies

2647 Views

Last post by mioba
11 Jun 2026, 17:57
Red oil warning light flashing

Last post by Aidan « 10 Jun 2026, 07:40
Replies: 13
by Madmaninshed » 04 Jun 2026, 10:29

Hi, can anyone help me with this problem please?
our van has just been fully serviced, including new oil and filter. Total mileage is a genuine 56K...

13 Replies

4658 Views

Last post by Aidan
10 Jun 2026, 07:40
Earth for EHU consumer unit

Last post by pirate-pete « 08 Jun 2026, 21:14
Replies: 2
by Lmh2000 » 07 Jun 2026, 11:35

Afternoon all.

I’m having to re-do the EHU electrics as the original German-made 230V RCD/MCB unit (Netzmatic) no longer works. The unit doesn’t...

2 Replies

2156 Views

Last post by pirate-pete
08 Jun 2026, 21:14
Temp gauge not. Working 1.9aaz LHD

Last post by pirate-pete « 04 Jun 2026, 12:29
Replies: 4
by jacko1967 » 20 May 2026, 15:47

Hi to the auto electrician on hear I am afraid I am not one 🤣.
So today I tried to fix my temp gauge I fitted a new brickwerks sensor in the engine...

4 Replies

3650 Views

Last post by pirate-pete
04 Jun 2026, 12:29
Analogue clock completely dead

Last post by Madmaninshed « 04 Jun 2026, 10:56
Replies: 6
by Madmaninshed » 16 May 2026, 13:32

Hi, I read with interest an excellent earlier post showing how to replace the two capacitors that often fail on the analogue dash clocks. His clock...

6 Replies

5719 Views

Last post by Madmaninshed
04 Jun 2026, 10:56
Changed the voltage regulator but where does this go!?

Last post by mioba « 02 Jun 2026, 07:33
Replies: 14
by Samanthington » 28 May 2026, 12:49

Hi all

So I’ve been having electrical problems for a while on the van. I just put it down to being a cheapskate and only buying 2nd hand batteries...

14 Replies

4910 Views

Last post by mioba
02 Jun 2026, 07:33
speedo dial diameter

Last post by jordan01070 « 01 Jun 2026, 19:25
Replies: 18
by jordan01070 » 17 May 2026, 11:07
1

2
HI does anybody know the speedo diameter for a late 1.9 dg petrol engine as the cable has broken again and I am looking at getting a gps speedo, I...
18 Replies

6604 Views

Last post by jordan01070
01 Jun 2026, 19:25
LED (DOT approved) Headlights

Last post by silverbullet « 23 May 2026, 12:58
Replies: 14
by THE KESZTHELY KID » 05 Aug 2025, 12:25

Bueno Estente,

I have seen such as 7 inch LED headlights LAMP fit Land Rover Defender VW T25 T3 Vanagon sealed beam | eBay UK on Fleabay and...

14 Replies

131753 Views

Last post by silverbullet
23 May 2026, 12:58
Starter Cable upgrade

Last post by Simon Baxter « 22 May 2026, 14:32
Replies: 26
by Sir Brixalot » 19 Jun 2018, 18:18
1

2
Going to do it as per wikki -Thanks CK.
There is a massive cable clamped on the positive battery post which goes through the floor beneath the seat....
26 Replies

17463 Views

Last post by Simon Baxter
22 May 2026, 14:32
Replacing battery and perhaps upgrading alternator & split charge relay?

Last post by OldNick « 18 May 2026, 21:35

by OldNick » 18 May 2026, 21:35

Hi, I acquired a February 1985 T3 Westfalia Joker (1.9 L petrol engine) last year. I fitted a Bluetti Charger-1 last year to charge a Jackery whilst...

0 Replies

5663 Views

Last post by OldNick
18 May 2026, 21:35
Radio replacement

Last post by Robsey « 15 May 2026, 23:48
Replies: 2
by ParaZiTsp » 15 May 2026, 04:18

Just bought a t3, and the radio is always getting power even when the key is out. Is that normal for t3s or just shoddy wiring? Will it mess anything...

2 Replies

3404 Views

Last post by Robsey
15 May 2026, 23:48
Unknown broken wire - please help identify

Last post by silverbullet « 15 May 2026, 12:44
Replies: 1
by h3nry » 15 May 2026, 08:40

Does anybody know what this red wire is for?

Has a split in the insulation with some temp tape to cover it - as well as a black wire which is...

1 Replies

2917 Views

Last post by silverbullet
15 May 2026, 12:44
PCB Damage Repair Advice

Last post by maxstu « 13 May 2026, 17:42
Replies: 8
by maxstu » 11 May 2026, 19:28

My Autosleeper HAD a perfect blue foil with everything working. But the clock was a bit lazy on some days. And the temp needle a bit higher than it...

8 Replies

5395 Views

Last post by maxstu
13 May 2026, 17:42
Heater blower motor

Last post by silverbullet « 12 May 2026, 06:32
Replies: 7
by Komet_V2 » 14 Mar 2026, 13:31

So, any movement through the blower settings doesn't activate the blower. Can it be anything other than the blower motor. When it went, there was a...

7 Replies

22200 Views

Last post by silverbullet
12 May 2026, 06:32
GlowPlug Issues

Last post by silverbullet « 07 May 2026, 06:41
Replies: 3
by T25ClubJoker » 04 May 2026, 09:48

I've had a little delve into a few different things regarding glow plugs and issues with wiring, relays etc but can't seem to find any advice...

3 Replies

3744 Views

Last post by silverbullet
07 May 2026, 06:41
Oil light flashing, fuel and oil guages not working

Last post by Middle29 « 05 May 2026, 10:54
Replies: 3
by Middle29 » 26 Apr 2026, 11:44

Hello all. Took my starter out to charge it up. When I put it back one of the smaller wires from the alternator had snapped (I think the blue one is...

3 Replies

3720 Views

Last post by Middle29
05 May 2026, 10:54
Brown wire on steering column

Last post by Noah_Blake « 29 Apr 2026, 22:55
Replies: 6
by Beakster » 19 Apr 2026, 19:15

Dropped my steering column down to remove the dash, putting it back in now and insert this broken wire.

There's a wire coming out of the hole in...

6 Replies

6882 Views

Last post by Noah_Blake
29 Apr 2026, 22:55
DLS ignition unit musings

Last post by silverbullet « 29 Apr 2026, 13:57
Replies: 14
by silverbullet » 23 Apr 2026, 11:01

251906083A, manufactred by Telefunken (TLF) or Siemens or AEG. Marked 4-zyl.

I've been thinking a bit about this box of mysteries and what it...

14 Replies

7946 Views

Last post by silverbullet
29 Apr 2026, 13:57
music system

Last post by Robsey « 26 Apr 2026, 20:39
Replies: 3
by Freddievan » 25 Apr 2026, 20:06

I haven't bought a car stereo for 15 years and I'm aware that they're probably quite different to what they were back then. Any...

3 Replies

5723 Views

Last post by Robsey
26 Apr 2026, 20:39
Interior light - Galley

Last post by silverbullet « 26 Apr 2026, 06:47
Replies: 3
by Freddievan » 25 Apr 2026, 11:38

Hi

Shortly after I bought my van, around 13 years ago, my galley light (over the cooker) died. I replaced it with something that looked like the...

3 Replies

4093 Views

Last post by silverbullet
26 Apr 2026, 06:47
pre-1984 fusebox wiring

Last post by Robsey « 23 Apr 2026, 21:56
Replies: 28
by LisaB4 » 21 Jul 2022, 12:51
1

2
Does a simple diagram exist on what colour wire goes in what position on the old type fuse box? I've got a spaghetti mess and no idea what connects...
28 Replies

30787 Views

Last post by Robsey
23 Apr 2026, 21:56
Two spade connectors on starter

Last post by TeeTwenty5 « 23 Apr 2026, 20:27
Replies: 2
by TeeTwenty5 » 23 Apr 2026, 17:59

I have a recon starter to fit but it has two spade connectors, the current one only has one, does anyone know which one I should use for the existing...

2 Replies

4434 Views

Last post by TeeTwenty5
23 Apr 2026, 20:27
Kienzle box on Speedo cable?

Last post by ZsZ « 19 Apr 2026, 07:28
Replies: 4
by shampooefficient » 18 Apr 2026, 16:25

Working under the van I keep getting hit in the face by a little plastic box swinging about in the middle of the speedo cable... I'm about to bolt it...

4 Replies

5971 Views

Last post by ZsZ
19 Apr 2026, 07:28
Engine bay loom identification

Last post by Robsey « 09 Apr 2026, 22:51
Replies: 3
by shampooefficient » 08 Apr 2026, 18:12

Good evening gang.

Being a lucky soul I am now in charge of rebuilding the mother in law's van after several months laid up.

Dropped the engine...

3 Replies

6884 Views

Last post by Robsey
09 Apr 2026, 22:51
Alternator upgrade

Last post by projordio « 08 Apr 2026, 07:34
Replies: 4
by projordio » 07 Apr 2026, 10:08

Hi all
I'm upgrading my alternator from a 65amp to the 90 amp and just after some info about wiring layout.
Ive ran a brand new cable from the...

4 Replies

6381 Views

Last post by projordio
08 Apr 2026, 07:34
T25 Westfalia interior sink tap

Last post by dazzerT251900td « 07 Apr 2026, 18:46
Replies: 3
by dazzerT251900td » 04 Apr 2026, 14:46

Hi all.
I wonder if any one can help me on my sink tap which is very intermittent.
sometimes it works straight away when you turn it and you hear a...

3 Replies

6427 Views

Last post by dazzerT251900td
07 Apr 2026, 18:46
Replaced ignition coil - still stalls

Last post by jrt « 03 Apr 2026, 18:54
Replies: 2
by SammySnake » 03 Apr 2026, 10:26

Hello everyone,

New member - first post!

My dad gave me his T25 as a project but I have no mechanical knowledge - got an Haynes manuel and Google!...

2 Replies

6219 Views

Last post by jrt
03 Apr 2026, 18:54
Led 3-in-1 digital display temp/volts/oil pressure

Last post by keynsham1 « 02 Apr 2026, 08:28
Replies: 2
by lowtimeppl » 26 Mar 2026, 10:26

Hi
Has anyone installed one of these (or like it) in their bus? It came without sensors but the fact sheet has some resistance figures

Any...

2 Replies

17435 Views

Last post by keynsham1
02 Apr 2026, 08:28
Starting problem

Last post by hotpod « 26 Mar 2026, 10:12
Replies: 2
by R0B » 25 Mar 2026, 20:45

The van started up first time. But if I turned it off it would not start again for approx 30 minutes. It was doing my head in. Andy (SyncroAndy) paid...

2 Replies

13373 Views

Last post by hotpod
26 Mar 2026, 10:12
Help with relays and electrics

Last post by CoalMarx « 25 Mar 2026, 09:51
Replies: 2
by CoalMarx » 24 Mar 2026, 11:36

I'm looking for help as my electrics haven't been right since i bought my van as a project. I have a very slow battery drain. Last weekend i realised...

2 Replies

17741 Views

Last post by CoalMarx
25 Mar 2026, 09:51
Radiator fan not kicking in

Last post by silverbullet « 22 Mar 2026, 19:10
Replies: 44
by UnsyP » 26 Jun 2020, 10:10
1

2

3
Please accept my appologies for being a novice, so please also be mindfull of my limited understanding. My radiator fan has recently stopped working....
44 Replies

80389 Views

Last post by silverbullet
22 Mar 2026, 19:10
Heater fan gone - should I replace resistor pack with Jeep spec or PWM controller?

Last post by ManicGTI « 22 Mar 2026, 13:23
Replies: 7
by ManicGTI » 19 Jan 2026, 16:50

Hi all, my heater fan is seized solid and pops fuse on 2+ speeds, so have new motor and seal/foam pack from BW ready to 'pop in'.

While i'm there is...

7 Replies

35650 Views

Last post by ManicGTI
22 Mar 2026, 13:23
Radiator fan

Last post by davidoft1 « 15 Mar 2026, 15:03
Replies: 1
by Komet_V2 » 15 Mar 2026, 13:33

If just looking at the temperature guage, when should the fan kick in? When the dial moves beyond the centre? Mine seems a little inconsistent when...

1 Replies

15647 Views

Last post by davidoft1
15 Mar 2026, 15:03
New starter battery

Last post by ZsZ « 06 Mar 2026, 14:46
Replies: 1
by dcworm57 » 06 Mar 2026, 14:23

1.6 JX diesel . I need a new starter battery . The existing battery came with the van , it’s not the proper one by the looks of it . It doesn’t fill...

1 Replies

16837 Views

Last post by ZsZ
06 Mar 2026, 14:46
Electrical issues / questions 1.9DG water-cooled

Last post by prossett « 01 Mar 2026, 18:50
Replies: 16
by filiphiruta » 27 Feb 2026, 19:36
1

2
Hello guys, this is my first post on this forum, i really hope my questions will not sound stupid.
I recently bought my first ever T3, a 1984 1.9dg...
16 Replies

39842 Views

Last post by prossett
01 Mar 2026, 18:50
1990 T25 Hazard Switch faulty

Last post by Deltaboy78 « 26 Feb 2026, 22:06
Replies: 4
by Deltaboy78 » 26 Feb 2026, 16:46

Hi all.

I have a 1990 T25 and my Hazard Switch is faulty, I purchased a new one
Which is the same one that Just Kampers sell
buttttt its for...

4 Replies

19588 Views

Last post by Deltaboy78
26 Feb 2026, 22:06
A headlight question for owners of Swedish vans

Last post by hotpod « 20 Feb 2026, 15:52
Replies: 3
by hotpod » 20 Feb 2026, 13:44

In my Swedish imported T3, one of the things I love is that when the ignition is on, the rear lights and front low beam headlamps come on with the...

3 Replies

24626 Views

Last post by hotpod
20 Feb 2026, 15:52
MOT Mileage

Last post by Lmh2000 « 15 Feb 2026, 20:50
Replies: 5
by Lmh2000 » 15 Feb 2026, 17:27

When looking at the MOT history of a classic bus with a view to buy is there any reasonable explanation why the mileage might change from km to miles...

5 Replies

22978 Views

Last post by Lmh2000
15 Feb 2026, 20:50
Ignition coil options?

Last post by MarkHughes « 14 Feb 2026, 06:49
Replies: 7
by Shinnster » 11 Feb 2026, 18:25

Hi all,

I have a late van with a 1.9DG and looking to replace my coil. Brickwerks has been out of stock for what seems like over a year now .
A...

7 Replies

25092 Views

Last post by MarkHughes
14 Feb 2026, 06:49
aftermarket rev counter

Last post by Aidan « 12 Feb 2026, 17:10
Replies: 4
by Vanmad72 » 11 Feb 2026, 12:18

looking for some help on how to fit a after market rev counter to a late van.Im not the best at doing electrics so ant help would be good thanks :D

4 Replies

21841 Views

Last post by Aidan
12 Feb 2026, 17:10
Another fast flashing indicator question

Last post by adsnape « 11 Feb 2026, 11:32
Replies: 6
by adsnape » 06 Nov 2025, 19:15

My right indicator is behaving like a bulb is burned out, with rear and internal warning light going double speed, and the right headlight is...

6 Replies

30305 Views

Last post by adsnape
11 Feb 2026, 11:32

New Topic

3628 topics

Page 2 of 73
- Jump to page:
Previous
1
2
3
4
5
…
73
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum