Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
JPT Terminal Extraction Tool	Oldiebut goodie	Yesterday, 16:28	Once this week	Electrical & Instrumentation
1.9 TD AAZ LHD Carthago washer bottle motor	jacko1967	Yesterday, 15:34	Once this week	Electrical & Instrumentation

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Last post

Got an electrical fault ? Read this first!

Last post by Hacksawbob « 10 Feb 2013, 23:56

by Hacksawbob » 10 Feb 2013, 23:56

Check your earths !

Many electrical issues are caused by corroded electrical contacts on the earthing points. Please read and check before posting...

0 Replies

26071 Views

Last post by Hacksawbob
10 Feb 2013, 23:56
JPT Terminal Extraction Tool

Last post by Oldiebut goodie « Yesterday, 16:28
Replies: 8
by Alfredo » 13 May 2025, 12:23

Why are these so expensive?

Any tips for a Heath Robinson DIY version

8 Replies

321 Views

Last post by Oldiebut goodie
Yesterday, 16:28
1.9 TD AAZ LHD Carthago washer bottle motor

Last post by jacko1967 « Yesterday, 15:34
Replies: 2
by jacko1967 » Yesterday, 10:35

Hi my washer bottle motor has failed I've checked it on a spare battery and nothing. It was bought about a year ago from brickworks, the van was...

2 Replies

139 Views

Last post by jacko1967
Yesterday, 15:34
Engine bay wiring dilema - SORTED

Last post by Dueller « Yesterday, 15:30
Replies: 33
by Dueller » 07 Apr 2025, 20:33
1

2

3
Been busy with my van conversion, gearbox and engine, see my other threads

Now at the stage where i am connecting up

Have some questions though...
33 Replies

7126 Views

Last post by Dueller
Yesterday, 15:30
Faulty Fuel Gauge - Anyone Else Experiencing This?

Last post by Robsey « 13 May 2025, 21:25
Replies: 1
by gluquestr » 13 May 2025, 20:33

Hi all,
Just wondering if anyone else has had issues with their fuel gauge recently? Mine seems to be acting up - showing as almost empty even after...

1 Replies

171 Views

Last post by Robsey
13 May 2025, 21:25
Speedometer, fuel gauge, temp gauge not working

Last post by Robsey « 13 May 2025, 19:04
Replies: 10
by FarWare12 » 22 Jan 2024, 20:41

Hi. I recently bought a T25 and the speedometer, odometer, fuel gauge and temp gauge are not working. The warning lights do work.

Could this be one...

10 Replies

4565 Views

Last post by Robsey
13 May 2025, 19:04
Connector for coolant sensor missing - please help

Last post by Alfredo « 13 May 2025, 10:04
Replies: 17
by radiostar » 05 May 2025, 10:29
1

2
Hi there, I hope you can help me..
I have a 1988 vwt25. I am trying to get back on the road and it’s not far off.
2 things I need help with and they...
17 Replies

1601 Views

Last post by Alfredo
13 May 2025, 10:04
Speedo Needle Return Spring

Last post by Aidan « 12 May 2025, 09:46
Replies: 1
by mshaw1980 » 09 May 2025, 19:54

Hello

Been a while since I posted with one thing or another but now back into some spannering on my van.

I previously had a noisy speedo which I...

1 Replies

517 Views

Last post by Aidan
12 May 2025, 09:46
Vw T25 1980 odometer gear

Last post by R0B « 12 May 2025, 09:44
Replies: 3
by richardhyatt » 12 May 2025, 08:52

good morning,
new to the forum , so hope I have done this correctly
1980 2.0 litre Aircooled T25
my son has the above T25 and the odometer has...

3 Replies

248 Views

Last post by R0B
12 May 2025, 09:44
No Rear Indicators or Brake Lights - SORTED

Last post by Smiffo « 12 May 2025, 08:40
Replies: 10
by Dueller » 06 May 2025, 17:25

Getting through things and now this

Got a spare earth wire, no idea where it goes

Did have a loose earth on the hazard switch that I repaired...

10 Replies

828 Views

Last post by Smiffo
12 May 2025, 08:40
Sudden electrical death of washers, wipers, and heater fan.

Last post by Mocki « 12 May 2025, 06:11
Replies: 15
by rollercoaster » 10 May 2025, 17:53
1

2
So it was working recently and all at once not.
Checked the fuses 11 and 13, late van..
Earth crowns look fresh but I'll give them a wiggle.
Any tips...
15 Replies

808 Views

Last post by Mocki
12 May 2025, 06:11
Wire fallen off back of early T25 fusebox not sure where it goes

Last post by Howardmsmith « 11 May 2025, 11:55
Replies: 3
by Howardmsmith » 09 May 2025, 21:07

21

I have a fairly heavy gauge solid green wire fallen off the back of an early 1983 type 25 fuse box. It think it may have come from fuse position...

3 Replies

564 Views

Last post by Howardmsmith
11 May 2025, 11:55
Charge light on faintly at low revs

Last post by Aidan « 09 May 2025, 11:59
Replies: 1
by andyk » 09 May 2025, 09:44

Alternator drive belt has just been changed and now the charge light on the dash comes on faintly at low revs. Belt is on tight. Changed the voltage...

1 Replies

522 Views

Last post by Aidan
09 May 2025, 11:59
Flashing Coolant LED

Last post by Smiffo « 07 May 2025, 16:38
Replies: 36
by Smiffo » 23 Mar 2025, 15:05
1

2

3
Afternoon all.

Scanned the pages already for ’the' good diagram ( there used to be a good one on Wiki, but that seems empty now. )

Problem as...
36 Replies

8609 Views

Last post by Smiffo
07 May 2025, 16:38
Dashboard illumination lights

Last post by AlBundy « 06 May 2025, 20:16
Replies: 17
by AlBundy » 29 Apr 2025, 14:20
1

2
Drove the van at night for the first time in a while, and everything worked, except the dashboard illumination lights. They both used to work, now...
17 Replies

3713 Views

Last post by AlBundy
06 May 2025, 20:16
Ignition coil

Last post by Welshclimber « 06 May 2025, 16:34
Replies: 18
by Welshclimber » 04 May 2025, 08:25
1

2
Looks like my ignition coil is knackered as the ohms aren’t in-line with the spec that they should be. I need the pin type with the grey sticker....
18 Replies

2098 Views

Last post by Welshclimber
06 May 2025, 16:34
Electrical pin release tools

Last post by silverbullet « 06 May 2025, 12:39
Replies: 8
by silverbullet » 28 Apr 2025, 11:03

Recommendations please. I've tried the Durite hexagonal ones (6 tools) and they are poor.
I need tubular ones as well as straight/flat type.
Quality...

8 Replies

2827 Views

Last post by silverbullet
06 May 2025, 12:39
Fridge trips breaker

Last post by EmLu « 04 May 2025, 19:45
Replies: 4
by EmLu » 04 May 2025, 09:45

Good morning guys,

I have recently bought a T25 and thought I would see if the fridge works, when I attached the van to an Electric Hook Up I turned...

4 Replies

1120 Views

Last post by EmLu
04 May 2025, 19:45
3 pin connector underneath alternator

Last post by burnzdog « 04 May 2025, 18:39
Replies: 5
by burnzdog » 02 May 2025, 20:23

Hi all, need to try and replace a cable that comes from rear side of engine bay and connects two a 3 prong connector that appears to go into the...

5 Replies

1733 Views

Last post by burnzdog
04 May 2025, 18:39
Starter ampage

Last post by Robsey « 04 May 2025, 18:27
Replies: 3
by Marmalade67 » 03 May 2025, 15:54

Needing to replace ring connector to solenoid but what amp is required.

3 Replies

1534 Views

Last post by Robsey
04 May 2025, 18:27
Numberplate lamp surrounds, fitting

Last post by Robsey « 02 May 2025, 09:58
Replies: 2
by silverbullet » 01 May 2025, 18:19

Its been so long since I took these off, bought new ones from Brickie, defo bus/van not truck parts.

Do they just clip into place? I don't want to...

2 Replies

1505 Views

Last post by Robsey
02 May 2025, 09:58
Trooper solar panels fittment.

Last post by R0B « 01 May 2025, 19:41
Replies: 5
by KOTSY » 01 May 2025, 09:45

Hi everyone, not sure if this should be on this forum so sorry if not.
I have a 1990 1.6 TD and would like to fit solar panels to the roof. As the...

5 Replies

1608 Views

Last post by R0B
01 May 2025, 19:41
Hazard wiring

Last post by newkid « 29 Apr 2025, 14:39
Replies: 2
by newkid » 28 Apr 2025, 15:53

Anyone able to tell me what this pink spare wire is from. It's a thinner cable than the one that actually goes to the plug.

2 Replies

2234 Views

Last post by newkid
29 Apr 2025, 14:39
Engine bay junction box fixings

Last post by silverbullet « 28 Apr 2025, 10:59
Replies: 7
by silverbullet » 26 Apr 2025, 13:44

What size/type fixings should secure it to the body? I have three holes just under 5mm diameter, tried what looks like the correct size self tapper...

7 Replies

5095 Views

Last post by silverbullet
28 Apr 2025, 10:59
What does this wire do and where does it belong?

Last post by Robsey « 27 Apr 2025, 20:35
Replies: 8
by SyncroMatt » 25 Apr 2025, 21:50

Evening help please!

I was looking for a permanent live for my radio and moved the fuse box for access.

I spotted this black wire circled in red,...

8 Replies

4140 Views

Last post by Robsey
27 Apr 2025, 20:35
ZIG unit, no 12v on battery.

Last post by TwinTurbo « 27 Apr 2025, 19:44
Replies: 5
by TwinTurbo » 19 Apr 2025, 16:19

Bit of an odd one with my ZIG CF8

On mains the 12v's work, but with the mains disconnected no 12V works. It was fine in octover. I have 12V at the...

5 Replies

2861 Views

Last post by TwinTurbo
27 Apr 2025, 19:44
Odd Part on Engine Bay Relay

Last post by Robsey « 26 Apr 2025, 20:30
Replies: 3
by Robsey » 26 Apr 2025, 15:25

Hi All,

I have been going through one of my old van donor looms that I have had for ages.

Possibly from a now defunkt seller Water Wagons.
Not 100%...

3 Replies

2774 Views

Last post by Robsey
26 Apr 2025, 20:30
Leisure battery advice

Last post by R0B « 26 Apr 2025, 09:14
Replies: 20
by Shinnster » 09 Apr 2025, 17:22
1

2
Hi all,

the time has come to get a leisure battery in my van. Ive been using a second car starter battery for the past 2 years which has kind of...
20 Replies

6030 Views

Last post by R0B
26 Apr 2025, 09:14
Eberspacher heater using old controls westfalia new heater

Last post by PoloG40 « 23 Apr 2025, 15:46
Replies: 14
by clobber » 03 Sep 2016, 13:08

Hi everyone, i have a 87 Joker, im looking into buying a new ebersacher heater, the original was removed but i still have all the controls in the...

14 Replies

16762 Views

Last post by PoloG40
23 Apr 2025, 15:46
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

2785 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

3286 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

2869 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

3551 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

3909 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

3188 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

10456 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

5564 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

9782 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

6170 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

19242 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

36081 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

15034 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

12148 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

16884 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

11235 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

13279 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

27320 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

13207 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

13285 Views

Last post by Burtybassett
19 Feb 2025, 18:41

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