Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
Earth issue? dull oil light random when driving fixed	Shinnster	08 Aug 2026, 22:51	4 times this week	Electrical & Instrumentation
ignition barrel removal (1984 Holdworth conversion/ petrol 1.9 engine	gutmeg	09 Aug 2026, 21:37	2 times this week	Electrical & Instrumentation

Topics

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Last post

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

6773 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

7791 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

5652 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

4031 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

30094 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

4366 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

5892 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

6823 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

6297 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

6331 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

6156 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

17337 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

13299 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

17641 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

79447 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

34774 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

15563 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

16749 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

38920 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

19115 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

23843 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

22341 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

24407 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

21187 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

29601 Views

Last post by adsnape
11 Feb 2026, 11:32
Brickwerks Oil Switch Relocation Kit

Last post by maxstu « 11 Feb 2026, 00:52
Replies: 5
by maxstu » 01 Feb 2026, 17:03

Anyone else have one of these kits in their van?

A year after installation, when putting in a rebuilt engine, l'm still having issues. The one l...

5 Replies

24126 Views

Last post by maxstu
11 Feb 2026, 00:52
Installing a CD or deeper stereo in dash

Last post by Robsey « 02 Feb 2026, 23:28
Replies: 6
by Madmaninshed » 31 Jan 2026, 14:35

Hi, Being probably very old fashioned, I wanted to install a radio CD player in our van. However, the space behind the din cutout in the dash was...

6 Replies

25193 Views

Last post by Robsey
02 Feb 2026, 23:28
Steering column earth?

Last post by BarnyE « 02 Feb 2026, 13:05
Replies: 5
by BarnyE » 18 Jan 2026, 15:17

My horn isn’t working, but when I earth the contact to a point that isn’t the steering column it does. So I’ve lost my earth through the steering...

5 Replies

27278 Views

Last post by BarnyE
02 Feb 2026, 13:05
Vehicle Tracking & Immobilizers

Last post by Van Rouge « 02 Feb 2026, 12:32
Replies: 3
by Van Rouge » 22 Jan 2026, 05:39

Hi All

Looking for any recommendations for vehicle tracking and immobilizer systems suitable for the T3. Your input as always would be much...

3 Replies

24632 Views

Last post by Van Rouge
02 Feb 2026, 12:32
Stop solenoid

Last post by WILKS « 31 Jan 2026, 22:15

by WILKS » 31 Jan 2026, 22:15

1.6 JX the 12v supply to the fuel pump “burnt out” the loom wire , van lost the 12 v supply , traced the wire to a white connector in the rear black...

0 Replies

136218 Views

Last post by WILKS
31 Jan 2026, 22:15
The smaller round lights in a "South African" grille, source?

Last post by rollercoaster « 28 Jan 2026, 20:38

by rollercoaster » 28 Jan 2026, 20:38

Wanted, inner round headlight, for South African four light grill
If anyone knows of an alternative light that fits please tell me..

I just posted...

0 Replies

138027 Views

Last post by rollercoaster
28 Jan 2026, 20:38
Solar panels only provide trickle charge

Last post by cobblers « 20 Jan 2026, 16:25
Replies: 4
by kalli » 19 Jan 2026, 11:42

Hey,

bought a T25 maybe 4 years ago. It came with a solar panel on the back of a high roof (will attach pics later).
Inside there's also a charge...

4 Replies

26327 Views

Last post by cobblers
20 Jan 2026, 16:25
Tachometer Steper Motor

Last post by TwinTurbo « 20 Jan 2026, 07:12
Replies: 5
by The Hairy Camper » 08 Jan 2026, 17:25

Anyone know if you can still get hold of the Stepper Motors for a T3 Tachometer? Or a more modern one that functions the same way?

I've seen loads...

5 Replies

27773 Views

Last post by TwinTurbo
20 Jan 2026, 07:12
Switched 12v feed

Last post by Madmaninshed « 15 Jan 2026, 16:51
Replies: 4
by Madmaninshed » 14 Jan 2026, 17:25

Hi, I am trying to wire in a TomTom cradle and a dash cam, as I am keen to avoid dangly cables across the dash. Someone has removed the small 12v...

4 Replies

19956 Views

Last post by Madmaninshed
15 Jan 2026, 16:51
Dashboard issues

Last post by JamieQPR « 07 Jan 2026, 14:25
Replies: 7
by JamieQPR » 06 Jan 2026, 18:03

Hi gang.

Elements of my dashboard have ceased to work.

The fuel gauge has stopped working
The engine temperature gauge has stopped working
I...

7 Replies

29774 Views

Last post by JamieQPR
07 Jan 2026, 14:25
OBD 2 port

Last post by Robsey « 31 Dec 2025, 21:11
Replies: 2
by Reece16 » 31 Dec 2025, 17:08

Can anyone tell me if a 1989 T3/25 van would have a data port? Need to connect a solar trickle feed to my main battery over the winter months.

John

2 Replies

24072 Views

Last post by Robsey
31 Dec 2025, 21:11
Oil Pressure Warning Light Inoperative

Last post by keynsham1 « 31 Dec 2025, 08:15
Replies: 12
by keynsham1 » 13 Dec 2025, 16:09

After having my van for ten years, it has just occurred to me that the oil pressure LED does not come on! I think I had assumed that it only came on...

12 Replies

35236 Views

Last post by keynsham1
31 Dec 2025, 08:15
Oil light when releasing brake pedal.

Last post by BarnyE « 21 Dec 2025, 11:44

by BarnyE » 21 Dec 2025, 11:44

So when I depress my brake pedal my oil light flashes on when I release it. Any suggestions on that?

Sent from my iPhone using Tapatalk

0 Replies

144098 Views

Last post by BarnyE
21 Dec 2025, 11:44
Swapping TF1171 vsr for tf1170-3 vsr

Last post by Betty boop 1 « 21 Dec 2025, 10:45

by Betty boop 1 » 21 Dec 2025, 10:45

Good morning all has anyone swapped a ryder TF1171 for a tf1170-3 if so was the wiring simple enough it would appear the TF1171 vsr has popped and is...

0 Replies

144257 Views

Last post by Betty boop 1
21 Dec 2025, 10:45
Help deciding on water pump type for potable water transfer

Last post by bubba slapbum « 20 Dec 2025, 09:39

by bubba slapbum » 20 Dec 2025, 09:39

I have a Berkefeld gravity pump, which I keep under the bed and as such it is cumbersome having to lift it up and out every single time to get enough...

0 Replies

143812 Views

Last post by bubba slapbum
20 Dec 2025, 09:39
Headlamp fuse for Square headlamp conversion.

Last post by TwinTurbo « 19 Dec 2025, 18:15
Replies: 1
by keynsham1 » 19 Dec 2025, 11:15

I am fitting the square headlight conversion to my van. As I will have two high beam lights on each side instead of one, the current will double. The...

1 Replies

23058 Views

Last post by TwinTurbo
19 Dec 2025, 18:15
REV COUNTER

Last post by hubcap61 « 16 Dec 2025, 19:59
Replies: 1
by oldpapy » 16 Dec 2025, 19:45

i have just fitted a rev counter in my t25 1988 2.1 . On start up tick over the neddle only move very slow dose anyone no what is the problem. Thank...

1 Replies

26726 Views

Last post by hubcap61
16 Dec 2025, 19:59
Battery light

Last post by TwinTurbo « 15 Dec 2025, 07:20
Replies: 4
by dogbreath100 » 09 Dec 2025, 15:22

Hi ,
Im having a problem with the battery light which is constantly on .
The battery is not charging .
When I dis connect the blue wire the light...

4 Replies

25177 Views

Last post by TwinTurbo
15 Dec 2025, 07:20
Why did my fuse box melt?

Last post by Robsey « 05 Dec 2025, 21:25
Replies: 8
by totorro » 29 Nov 2025, 22:11

Coming home earlier in the week I noticed my right hand headlight was out. Side light and main bean still working, just no dipped beam. I had a look...

8 Replies

30886 Views

Last post by Robsey
05 Dec 2025, 21:25
Dead coolant and Heating heater blower - 12v alternative

Last post by Louey « 04 Dec 2025, 11:22
Replies: 3
by stevenm » 02 Dec 2025, 15:33

Blower motor died and in no rush to start removing the dashboard. Has anyone got experience and recommend any of those 12v plug in blower?

3 Replies

24694 Views

Last post by Louey
04 Dec 2025, 11:22
Where's my buzzer?

Last post by Rik « 29 Nov 2025, 12:05
Replies: 7
by Rik » 21 Nov 2025, 21:27

Hi,

I've seen many on here complain about the buzzer of doom . I want that too!

My van doesn't have a audible clue for the warning lights, and as...

7 Replies

27926 Views

Last post by Rik
29 Nov 2025, 12:05
Anyone know how to diagnose a faulty PCB

Last post by TwinTurbo « 21 Nov 2025, 21:33
Replies: 2
by crazyhorse » 20 Nov 2025, 16:02

My cruise control waeco MS50 has suddenly stopped working.. it doesnt detect the signal from the tacho, tacho is still working so maybe something has...

2 Replies

24259 Views

Last post by TwinTurbo
21 Nov 2025, 21:33
On Board Wifi Setup

Last post by keynsham1 « 15 Nov 2025, 20:53
Replies: 17
by keynsham1 » 25 Aug 2025, 18:07
1

2
Has anyone got experience of using this:
17 Replies

54719 Views

Last post by keynsham1
15 Nov 2025, 20:53
Identify this wire

Last post by prossett « 12 Nov 2025, 20:15
Replies: 5
by prossett » 09 Nov 2025, 22:08

Found in the dashboard of a 1985 Reimo camper, 1.9L petrol water-cooled. The round ground was behind where the stereo would go, not attached to...

5 Replies

27029 Views

Last post by prossett
12 Nov 2025, 20:15
Headlights blow indicator fuse

Last post by chook12 « 09 Nov 2025, 21:21
Replies: 4
by chook12 » 29 Oct 2025, 05:22

1982 EFI 2l air-cooled. Upgraded headlight relays.
Upgraded the headlight wiring a few years ago now with power straight to headlights via fuses and...

4 Replies

26403 Views

Last post by chook12
09 Nov 2025, 21:21

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