Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
LED warning lights for DASH voltage?	VWKat	21 Jun 2026, 19:02	Once this week	Electrical & Instrumentation

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Last post

Inherited a battery isolator, can i wire dash clock to battery?

Last post by grace72 « 18 Sep 2021, 12:21
Replies: 3
by grace72 » 15 Sep 2021, 12:24

The 1.9 DG I have recently bought came with a battery isolator and of course the clock stops when i use it. Is it possible to wire up the clock to...

3 Replies

1038 Views

Last post by grace72
18 Sep 2021, 12:21
Instrument cluster - no voltage regulator

Last post by Robsey « 16 Sep 2021, 22:44
Replies: 2
by jospanner » 16 Sep 2021, 12:15

Hi, looks like the voltage regulator has been bypassed on my gauge cluster. Opened it up to test the fuel gauge, cos I'm having weird intermittent...

2 Replies

2219 Views

Last post by Robsey
16 Sep 2021, 22:44
Flashing lights!!

Last post by AngeloEvs « 11 Sep 2021, 21:22
Replies: 7
by Wearside wanderer » 12 Jul 2021, 12:47

so I have developed a couple of new unwanted disco lights on the dashboard, firstly the water Coolant, however I know it’s all topped up etc so I’m...

7 Replies

2126 Views

Last post by AngeloEvs
11 Sep 2021, 21:22
Front indicator seals?

Last post by grace72 « 10 Sep 2021, 07:10
Replies: 5
by grace72 » 09 Sep 2021, 16:35

Even though I’ve owned a T25 since 2003, I don’t remember when I last changed a front indicator bulb. Well I just have and the lense had a fair bit...

5 Replies

1064 Views

Last post by grace72
10 Sep 2021, 07:10
EHU Question. Non VW

Last post by Stesaw « 09 Sep 2021, 23:01
Replies: 6
by maxstu » 09 Sep 2021, 20:00

We use an Esterel folding caravan for our camping trips. It has been sitting idle for a year. So l decided to open it up and check a few things...

6 Replies

1086 Views

Last post by Stesaw
09 Sep 2021, 23:01
glow plug light

Last post by ZsZ « 07 Sep 2021, 14:01
Replies: 7
by ianvfr750 » 01 Sep 2021, 09:14

I have a 1.6TD camper and the glow plug light normally takes about 45 seconds to go out - is this normal or does it indicate a problem with the...

7 Replies

1344 Views

Last post by ZsZ
07 Sep 2021, 14:01
Temp gauge reading high with warning light

Last post by Samanthington « 01 Sep 2021, 11:56
Replies: 10
by rosar » 24 May 2021, 09:24

Dear all,

I have a 1990 2.1 Caravelle conversion which has just had a new engine fitted by the VW engine company. Various other bits replaced as...

10 Replies

3997 Views

Last post by Samanthington
01 Sep 2021, 11:56
VW T25 immobiliser stopped working

Last post by TONYT25T25 « 01 Sep 2021, 08:12
Replies: 3
by Johnredpath1953 » 29 Aug 2021, 19:36

Hello All.
I've got a 1984 T25 that has an immobiliser on/off switch under the dash that was installed over 20 years ago It's not working and but I...

3 Replies

900 Views

Last post by TONYT25T25
01 Sep 2021, 08:12
Unknown wire

Last post by davidoft1 « 31 Aug 2021, 19:47
Replies: 5
by Ragtime.ben » 30 Aug 2021, 17:55

Can anybody tell me what this wire is? Runs round the rear of the engine bay and has an inline fuse. Goes towards the water pump area at the right...

5 Replies

1128 Views

Last post by davidoft1
31 Aug 2021, 19:47
Protecting engine bay wires

Last post by CovKid « 30 Aug 2021, 09:30

by CovKid » 30 Aug 2021, 09:30

Quick tip from Covkid on preventing engine bay wires from going brittle. I use the same stuff when restoring valve radios because of its...

0 Replies

3456 Views

Last post by CovKid
30 Aug 2021, 09:30
Dissy Rotor Wear.

Last post by maxstu « 25 Aug 2021, 18:50
Replies: 4
by maxstu » 25 Aug 2021, 07:50

My DJ 2.1 Auto is rapidly using dissy rotors. Or a least they require carbon removal from the metal lip.
Yesterday morning the camper refused to...

4 Replies

959 Views

Last post by maxstu
25 Aug 2021, 18:50
Leisure battery...

Last post by TONYT25T25 « 23 Aug 2021, 16:34
Replies: 1
by JulianBuck » 23 Aug 2021, 15:23

Guys - need your expert help if I may.
'88 VW autosleeper Tident.
Fully charged leisure battery (see pics). Control panel says its fully charged too....

1 Replies

739 Views

Last post by TONYT25T25
23 Aug 2021, 16:34
fridge voltage drop

Last post by nick.k « 17 Aug 2021, 18:33
Replies: 2
by nick.k » 15 Aug 2021, 10:50

12volt element was not working checked voltage and this was low caused by a drop at in line fuse.
Replaced this healthy 13.9 when engine running...

2 Replies

1510 Views

Last post by nick.k
17 Aug 2021, 18:33
Main beam telltale light

Last post by AngeloEvs « 16 Aug 2021, 19:30
Replies: 4
by RazorRiggott » 17 Nov 2019, 21:27

Hi. My T25 has failed it's MOT due to the above. I've removed the instrument binnacle though not the ribbon yet. Are the instrument lights holding it...

4 Replies

2257 Views

Last post by AngeloEvs
16 Aug 2021, 19:30
Spotting previous modifications

Last post by bigherb « 16 Aug 2021, 16:42
Replies: 5
by Ragtime.ben » 16 Aug 2021, 07:17

Hi all. So I got my first proper going over of my recently bought 1981 cu Devon yesterday. Sold as not running but will run 😬
Haven’t tried turning...

5 Replies

1547 Views

Last post by bigherb
16 Aug 2021, 16:42
Headlamp aim projected image Mot fail

Last post by Oldiebut goodie « 14 Aug 2021, 13:02
Replies: 1
by glennyboy2 » 14 Aug 2021, 12:52

So, after sitting since 2014 and a year of welding, panel work, mechanical and all the other grief that comes with T25s, I stuck her in for an MOT....

1 Replies

1289 Views

Last post by Oldiebut goodie
14 Aug 2021, 13:02
T25 DG ECU Test

Last post by PaulM99 « 06 Aug 2021, 14:14
Replies: 12
by edconeng » 19 Jul 2021, 13:45

Hi this is my first post.
I have a T25 Syncro 1988 with a 2.1 DG Pertol Engine, I had a gearbox issue and the Bus has been laid up for a few years, I...

12 Replies

2368 Views

Last post by PaulM99
06 Aug 2021, 14:14
Need help on Alternator for CU 2.0l ...

Last post by danisaez « 05 Aug 2021, 06:25
Replies: 6
by danisaez » 03 Aug 2021, 18:20

Hi all,

been through the wiki and searched the web for hours, but to no avail...

I've got a 1980 VW BUS T3 running a CU 2.0l Aircooled engine, my...

6 Replies

1586 Views

Last post by danisaez
05 Aug 2021, 06:25
Horn Upgrade/Fix

Last post by T3luestar « 05 Aug 2021, 04:25
Replies: 3
by johnwayne » 04 Aug 2021, 14:33

The horn on the bus hasn't been working properly since I have had it. Sound is poor and and it quite often doesn't even work when I press it.

Is...

3 Replies

1519 Views

Last post by T3luestar
05 Aug 2021, 04:25
Electronic ignition 2.1 DJ engine

Last post by Titch1959 « 04 Aug 2021, 23:45
Replies: 2
by Titch1959 » 11 Jul 2021, 10:58

Hi everyone

Just had a look at our new van and see that the dizzy, leads and plugs need replacing but wanted to ask if this system supports...

2 Replies

1185 Views

Last post by Titch1959
04 Aug 2021, 23:45
Rear wiper not working

Last post by clone123 « 02 Aug 2021, 09:10
Replies: 3
by chriszxr750 » 02 Aug 2021, 08:25

Morning guys
Been a member on and off for years, and normally I can find the solution by searching, but this one has me stumped.
anyway bought a...

3 Replies

1321 Views

Last post by clone123
02 Aug 2021, 09:10
buzzer/altnator

Last post by gary1998 « 31 Jul 2021, 22:10
Replies: 5
by gary1998 » 31 Jul 2021, 20:27

i just replaced an altnator and now have B.O.D on the hipressure switch
well i only have the one ,, oil filter one not connected
van is 1980 but...

5 Replies

1710 Views

Last post by gary1998
31 Jul 2021, 22:10
Early fuse box layout / wiring diagram

Last post by Aidan « 27 Jul 2021, 06:37
Replies: 4
by badgerfax » 12 Aug 2015, 19:08

Evening all you good people,

Does anyone have access to a fusebox layout and wiring diagram for an early bullet fuse box?

I understand that it...

4 Replies

7240 Views

Last post by Aidan
27 Jul 2021, 06:37
Interior lights don't work Help please!

Last post by Mocki « 26 Jul 2021, 18:47
Replies: 8
by cheekyjen » 26 Jul 2021, 15:47

My interior lights suddenly don't work. Have changed the bulbs to no avail. I have checked the fuses. The only one that has gone is no 25. Could this...

8 Replies

1933 Views

Last post by Mocki
26 Jul 2021, 18:47
Temp needle won't move

Last post by clone123 « 25 Jul 2021, 20:58
Replies: 21
by Bryce » 18 Jul 2021, 13:44
1

2
Hi the temp needle on my 1.6 jx just sits stuck at the bottom left of gauge where you can't even see it. From what I've read overheating could do...
21 Replies

4443 Views

Last post by clone123
25 Jul 2021, 20:58
dash clock not working

Last post by NickG58 « 25 Jul 2021, 20:11
Replies: 19
by KOTSY » 10 Nov 2016, 18:57
1

2
hi all. not sure if on the wright forum but here goes . I have a 91 1.6td and the analogue clock has stopped ,any idea s where I can get it repaired...
19 Replies

7695 Views

Last post by NickG58
25 Jul 2021, 20:11
Auto Electrician in Sheffield

Last post by jrt « 23 Jul 2021, 21:01
Replies: 1
by Stephen255 » 23 Jul 2021, 19:56

Looking for recommendations for an auto electrician in Sheffield.

1 Replies

1091 Views

Last post by jrt
23 Jul 2021, 21:01
Dash instrument light pod name?

Last post by Robsey « 23 Jul 2021, 07:00
Replies: 7
by Shinnster » 22 Jul 2021, 15:16

Hi all

I am in the process of upgrading my dash cluster and have hit a snag! A part of the dash board has got plastic snapped off of it where screws...

7 Replies

1683 Views

Last post by Robsey
23 Jul 2021, 07:00
Timing setup, 2.0 CU Aircooled (video)

Last post by jospanner « 22 Jul 2021, 13:25

by jospanner » 22 Jul 2021, 13:25

Hey there, can you look over my timing setup?
I'm having problems with the van stumbling under acceleration, with low power. But I want to make sure...

0 Replies

3261 Views

Last post by jospanner
22 Jul 2021, 13:25
Solar panel wiring

Last post by Syncronorth « 21 Jul 2021, 20:54
Replies: 5
by Cyrus » 21 Jul 2021, 06:50

I have just received a 100w solar panel for my birthday and purchased a Victron Snartsolar charge controller.
I wish to wire this up to keep my 110ah...

5 Replies

2200 Views

Last post by Syncronorth
21 Jul 2021, 20:54
Glow plug light feed?

Last post by Forden341 « 21 Jul 2021, 18:02
Replies: 2
by Forden341 » 21 Jul 2021, 14:25

Hi all,
I am looking to use the now defunct orange glow plug warning light in my dash pod as a diff lock warning light. Does anyone happen to know if...

2 Replies

1139 Views

Last post by Forden341
21 Jul 2021, 18:02
Coolant Temp Sensor Plug shape - What's it called?

Last post by ianders « 19 Jul 2021, 13:45
Replies: 4
by ianders » 18 Jul 2021, 10:37

Looking for the female plug that goes onto the round 2-pin temperature sensor. Currently have 2 spade connectors on the wires which are quite loose...

4 Replies

1550 Views

Last post by ianders
19 Jul 2021, 13:45
Electrical crimp terminal cleaning tip

Last post by CovKid « 18 Jul 2021, 19:49
Replies: 1
by silverbullet » 17 Jul 2021, 17:55

Probably an old one but worth noting as I saw this on YouTube today thanks to Edd China.
A two-stage process and useful for cleaning damp/salt...

1 Replies

2668 Views

Last post by CovKid
18 Jul 2021, 19:49
2.0L petrol air-cooled CU distributer

Last post by sarran1955 « 15 Jul 2021, 20:03
Replies: 1
by banjax34 » 15 Jul 2021, 18:05

Does any one refurbish the CU distributer or is there a replacement? I seem to have too much play in mine and on idle the timing mark is very...

1 Replies

1261 Views

Last post by sarran1955
15 Jul 2021, 20:03
Erratic aftermarket gauges - power supply issue?

Last post by AngeloEvs « 15 Jul 2021, 18:54
Replies: 5
by jospanner » 15 Jul 2021, 15:01

Hi,
I have an aftermarket oil gauge and tachometer for my 1981 2.0 Aircooled.

I am finding that they both act very erratic:
The oil gauge is fine...

5 Replies

1438 Views

Last post by AngeloEvs
15 Jul 2021, 18:54
Empty plug behind dash?

Last post by Shinnster « 14 Jul 2021, 23:47
Replies: 2
by Shinnster » 14 Jul 2021, 14:45

I have been trying to find the issue as to why my temp and fuel gauges don't work and when i had the dash out I have noticed this empty plug. It is...

2 Replies

1208 Views

Last post by Shinnster
14 Jul 2021, 23:47
Dizzy Wiring

Last post by Evil Elsie « 14 Jul 2021, 07:40
Replies: 12
by Evil Elsie » 13 Jul 2021, 16:42

Hey Folks,
I've just bought a Powersparks Dizzy, Coil and Lead set and have a question...

A Green and a Black wire from the Ignition...

12 Replies

2380 Views

Last post by Evil Elsie
14 Jul 2021, 07:40
Blower Motor PWM Upgrade

Last post by CovKid « 13 Jul 2021, 20:53
Replies: 7
by Splurt » 13 Apr 2021, 21:54

I had been putting this job off for a while but has Easter week off so managed to get the dash out without much hassle. The heater box on the other...

7 Replies

5650 Views

Last post by CovKid
13 Jul 2021, 20:53
Ashtray Gauges

Last post by DoubleOSeven « 11 Jul 2021, 12:22
Replies: 8
by Spailpin Fanach » 30 Jun 2021, 08:58

Hi all.

I thought I might install the following in place of the existing unused ashtray.

I also thought I might change the gauges to coolant...

8 Replies

2339 Views

Last post by DoubleOSeven
11 Jul 2021, 12:22
Oil Pressure Switch Location? 1.6Diesel 1990

Last post by Herm « 08 Jul 2021, 20:34
Replies: 9
by Herm » 07 Jul 2021, 15:36

Hi,

Me again. Could someone tell me where I can find the oil pressure switches on an 1.6d 1990 California? I'll be damned if I can find both. I...

9 Replies

8289 Views

Last post by Herm
08 Jul 2021, 20:34
Leccy Fuel pump and Relay advice

Last post by Mocki « 08 Jul 2021, 20:12
Replies: 4
by Stesaw » 06 Jul 2021, 12:56

So before I fit my 2.1 I need to fit a electic fuel pump.
I will be running on carb and I've already got the pump.
I also have a tracker fitted with...

4 Replies

1407 Views

Last post by Mocki
08 Jul 2021, 20:12
Aftermarket oil gauge problem

Last post by jospanner « 06 Jul 2021, 14:01

by jospanner » 06 Jul 2021, 14:01

Hi, I have wired up an aftermarket (Eluto, so might as well not have any brand) oil pressure gauge.

It seems to give reasonable values, but that's...

0 Replies

3285 Views

Last post by jospanner
06 Jul 2021, 14:01
1.6 jx td temp sensors wiring

Last post by Rascal « 06 Jul 2021, 07:27

by Rascal » 06 Jul 2021, 07:27

Currently on a 5 week uk tour with work dotted in between . van has been faultless untill yesterday when temp gauge became intermittent and lower...

0 Replies

3309 Views

Last post by Rascal
06 Jul 2021, 07:27
Wiring Diagram & Fuse Box/Oil Pressure Buzzer

Last post by AngeloEvs « 05 Jul 2021, 11:22
Replies: 8
by Herm » 03 Jul 2021, 20:42

Hi,

I have a 1990 California and looking for a wiring diagram? I can't see to find one anywhere. I'm having trouble with indicators not working...

8 Replies

1762 Views

Last post by AngeloEvs
05 Jul 2021, 11:22
Victron Super Cycle batteries

Last post by Spailpin Fanach « 04 Jul 2021, 10:31

by Spailpin Fanach » 04 Jul 2021, 10:31

Wondering if anyone has experience of these batteries. They're way cheaper than good quality LiFePO4 ones and would save a lot of space. One 125Ah...

0 Replies

3360 Views

Last post by Spailpin Fanach
04 Jul 2021, 10:31
Indicator not working on one side

Last post by Oufx81 « 03 Jul 2021, 18:42
Replies: 2
by Oufx81 » 03 Jul 2021, 15:21

Hi all, 1981 Aircooled, left turn signal is not working both front and rear, no clicking noise either. Right it’s absolutely fine.

Does anyone know...

2 Replies

1217 Views

Last post by Oufx81
03 Jul 2021, 18:42
Coolant Temp Sender Connector

Last post by Robsey « 03 Jul 2021, 08:56
Replies: 3
by Syncronorth » 22 Jun 2021, 17:27

Where can I find the connector / plug for this sensor?

251 919 501

3 Replies

1463 Views

Last post by Robsey
03 Jul 2021, 08:56
Is this an earthing problem?

Last post by killerme « 02 Jul 2021, 15:39
Replies: 9
by killerme » 01 Jul 2021, 12:28

To enable welding beneath the water tank, I had to take out the rock n' roll seat and the water tank unit. When refitting I forgot about rebuilding...

9 Replies

2568 Views

Last post by killerme
02 Jul 2021, 15:39
Start Problem

Last post by fresco3000 « 01 Jul 2021, 13:35
Replies: 6
by fresco3000 » 28 Jun 2021, 10:51

Hi Guys,

I’ve had this ongoing issue starting my van.

When i turn the key there’s a moment where nothing happens then it kicks in. A delay.

Given...

6 Replies

1557 Views

Last post by fresco3000
01 Jul 2021, 13:35
Tacho install, old van

Last post by jospanner « 01 Jul 2021, 11:32
Replies: 3
by jospanner » 01 Jul 2021, 09:55

Hi,
I am trying to install a tachometer/rev counter into a 1981 air cooled.
My alternator doesn't seem to have a w terminal, and as it's an older van...

3 Replies

1265 Views

Last post by jospanner
01 Jul 2021, 11:32

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