Electrical & Instrumentation

Moderators: User administrators, Moderators

3523 topics

Page 7 of 71
- Jump to page:
Previous
1
…
5
6
7
8
9
…
71
Next

Most liked posts	Author	Posted	Liked	Forum
Anyone know how to diagnose a faulty PCB	TwinTurbo	21 Nov 2025, 21:33	Once this week	Electrical & Instrumentation

Topics

Replies

Views

Last post

Starting Issue

Last post by RogerT « 10 Oct 2023, 21:28
Replies: 7
by newkid » 10 Oct 2023, 01:21

Hi.

Hoping someone can help. Mum's van has for the 11 years of ownership had a starting issue that i finallywant to resolve.

It's a 1984 1.6cs....

7 Replies

8343 Views

Last post by RogerT
10 Oct 2023, 21:28
Immobilizer not working

Last post by Simon Baxter « 10 Oct 2023, 21:14
Replies: 3
by JohnRedpath » 03 Jul 2023, 02:57

Hello everyone.
My T25 immobilizer has stopped working but the van runs fine.
Normally if I try to drive the van with the immobiliser switched on....

3 Replies

7298 Views

Last post by Simon Baxter
10 Oct 2023, 21:14
Split charge relay on 1983 Trident

Last post by Mocki « 07 Oct 2023, 18:28
Replies: 1
by stephenwalls » 07 Oct 2023, 18:19

Hi everyone,
I want to fit a split charge relay on my 1988 T25 autosleeper Trident, so I need to run a wire from the van battery under the drivers...

1 Replies

6602 Views

Last post by Mocki
07 Oct 2023, 18:28
Rev counter

Last post by Ckent « 06 Oct 2023, 17:36
Replies: 5
by Ckent » 03 Oct 2023, 19:48

Looking to fit a rev counter (bolt on) simply as new to vw (especially of this era) - is there a signal I can take anywhere near the dash (as many...

5 Replies

8193 Views

Last post by Ckent
06 Oct 2023, 17:36
T25 1.9 dg PETROL NO SPARK

Last post by Stesaw « 04 Oct 2023, 17:32
Replies: 4
by VERAT25 » 02 Oct 2023, 12:37

looking for some help please (based in cardiff )
just went to start van after 3 weeks (running fine last run)
i have no spark at the plugs/ have...

4 Replies

7578 Views

Last post by Stesaw
04 Oct 2023, 17:32
Not starting, could the horn issue be contributing to this?

Last post by AlBundy « 29 Sep 2023, 20:57
Replies: 4
by AlBundy » 28 Sep 2023, 10:24

The van is currently at the body shop for some rust repair and bodywork fixes, but after having left it there, they haven't been able to get it...

4 Replies

7528 Views

Last post by AlBundy
29 Sep 2023, 20:57
Glow plugs not working after head gasket replacement

Last post by CoalMarx « 29 Sep 2023, 06:50
Replies: 2
by CoalMarx » 28 Sep 2023, 18:46

Unfortunately i blew the gasket on my 1.7 diesel ky. I already had a problem with a buzzing dash and oil filter light, but then we lost the lights on...

2 Replies

6949 Views

Last post by CoalMarx
29 Sep 2023, 06:50
Radiator only works on full speed

Last post by TONYT25T25 « 26 Sep 2023, 20:52
Replies: 3
by hightoprob » 24 Sep 2023, 21:27

Hi. I've been trying to get my rad fan working correctly on my 1983 1.9dg (previous owner had it running on a chicken switch using flex power cable...

3 Replies

7126 Views

Last post by TONYT25T25
26 Sep 2023, 20:52
Horn troubles

Last post by matthew13 « 25 Sep 2023, 20:29
Replies: 16
by matthew13 » 24 Sep 2023, 13:18
1

2
Hi all, I have 1983 2ltr Aircooled van. Horn had stopped working so just replaced it and now all I get when I press the horn inn the steering wheel...
16 Replies

15183 Views

Last post by matthew13
25 Sep 2023, 20:29
FM Aerial questions

Last post by Mocki « 24 Sep 2023, 19:08
Replies: 6
by Donald360 » 23 Sep 2023, 13:32

Hi

I need to refit an aerial for the radio in my van, but I don't want to drill a hole in the newly restored body if I can help it.

Do I need to...

6 Replies

8846 Views

Last post by Mocki
24 Sep 2023, 19:08
Original radio wesfalia joker

Last post by Marktwain « 23 Sep 2023, 10:21
Replies: 11
by Marktwain » 11 Sep 2023, 02:03

Does anyone know which radio would have been fitted in a 1989 westfalia joker, when they were new? Mine is a RHD uk market one. I am interested in...

11 Replies

11172 Views

Last post by Marktwain
23 Sep 2023, 10:21
Change Hall Sender without removing distributor

Last post by Rich75 « 21 Sep 2023, 21:53
Replies: 2
by Rich75 » 21 Sep 2023, 12:25

Hi

I had a look at the wiki but couldn't find anything, apologies if Ive missed it - is it possible to change the hall sender without removing the...

2 Replies

6912 Views

Last post by Rich75
21 Sep 2023, 21:53
Fuel Gauge/Sender Variants

Last post by R0B « 21 Sep 2023, 21:22
Replies: 154
by CJH » 23 Jul 2018, 15:25
1

…

7

8

9

10

11
I was doing some sums to figure out what resistor values to use to make a 'low fuel' warning lamp circuit (see this thread ). I checked Bentley for...
154 Replies

1170916 Views

Last post by R0B
21 Sep 2023, 21:22
1988 Trident split charge relay location

Last post by mickcorr « 21 Sep 2023, 10:18
Replies: 7
by stephenwalls » 14 Sep 2023, 15:14

Hi,

I am now a very new and proud owner of a 1988 VW T25 Trident Hi Top autosleeper. The van didn't come with a leisure battery, although all the...

7 Replies

8940 Views

Last post by mickcorr
21 Sep 2023, 10:18
Alternator Identification

Last post by T25Colin « 16 Sep 2023, 22:09
Replies: 9
by T25Colin » 13 Aug 2023, 10:20

Hi All,

Sod’s Law driving to overnight ferry and it started over charging and cooking the battery. My digital read out was showing 16.7volts at the...

9 Replies

9026 Views

Last post by T25Colin
16 Sep 2023, 22:09
Alternator field collapse?

Last post by ZsZ « 16 Sep 2023, 16:18
Replies: 6
by ZsZ » 21 Jun 2023, 18:56

I had a strange hiccup today.
We are on the last leg of a 3 week roadtrip.
I was driving on the german highway, around 100-110kmph (~3000rpm) when...

6 Replies

8578 Views

Last post by ZsZ
16 Sep 2023, 16:18
Fuel gauge

Last post by Mocki « 16 Sep 2023, 07:10
Replies: 2
by Ckent » 16 Sep 2023, 01:24

Hi all - fuel gauge isn’t working - if I brim the tank the gauge will briefly show full , but then drop back to empty within about 30 minutes of use...

2 Replies

6699 Views

Last post by Mocki
16 Sep 2023, 07:10
Backfire/misfire sounds like its running on 3

Last post by DoubleOSeven « 15 Sep 2023, 13:00
Replies: 4
by makebigplans » 12 Sep 2023, 17:06

Hello all,

We looking for some pointers on how to get our van running smoothly again.

Recently our 1983 watercooled 1.9 Petrol van blew a spark...

4 Replies

7788 Views

Last post by DoubleOSeven
15 Sep 2023, 13:00
Temp gauge

Last post by Mocki « 15 Sep 2023, 06:22
Replies: 57
by southernscouse » 09 Jul 2023, 17:05
1

2

3

4
Ok van not in regular use last week run red light carried on flashing checked w after level carried on driving after several miles temp burst into...
57 Replies

37553 Views

Last post by Mocki
15 Sep 2023, 06:22
Earthing problems I think?

Last post by 69gp225 « 14 Sep 2023, 16:44
Replies: 23
by 69gp225 » 03 Sep 2022, 18:04
1

2
Hello,

I Replaced my battery a few days ago and hadn’t started my camper for about five months. Connect the new battery and the negative lead going...
23 Replies

20507 Views

Last post by 69gp225
14 Sep 2023, 16:44
Buzzing dash

Last post by CoalMarx « 14 Sep 2023, 06:43
Replies: 3
by CoalMarx » 12 Sep 2023, 18:32

Can anyone help me with this problem? Its been a while now - a buzzing noise from the dash and flashing oil light. It used to be intermittent and...

3 Replies

6310 Views

Last post by CoalMarx
14 Sep 2023, 06:43
T25 Handbrake warning Light staying On Permanently ?

Last post by Richard Workman « 12 Sep 2023, 22:37
Replies: 4
by Richard Workman » 11 Sep 2023, 10:55

T25 HANDBRAKE LIGHT STAYING ON PERMANENTLY ? Hi, just wondered if anyone had any similar problem or advice. ii have a 1983 1.9 petrol t25 Devon &...

4 Replies

6070 Views

Last post by Richard Workman
12 Sep 2023, 22:37
New Fuel Sender - erratic out put on gauge

Last post by R0B « 08 Sep 2023, 12:12
Replies: 5
by ManicGTI » 08 Sep 2023, 07:26

I had a new tank fitted a year or so ago, with all new lines, crossover etc and thought it would be sensible to fit a new sender at the same time. ...

5 Replies

6364 Views

Last post by R0B
08 Sep 2023, 12:12
Mystery wires, with diode (?), loop found!

Last post by AngeloEvs « 06 Sep 2023, 12:49
Replies: 5
by bambily » 05 Sep 2023, 11:34

Hi, I'm trying to sort out all electronics under the dashboard (removing unused stuff, redoing bad connectors etc.) and I think I got a clear...

5 Replies

4538 Views

Last post by AngeloEvs
06 Sep 2023, 12:49
Steering Wheel Horn Defect.

Last post by maxstu « 05 Sep 2023, 19:46
Replies: 2
by maxstu » 03 Sep 2023, 09:03

Having owned my latest camper for just six years', a few days' back l decided to trace and rectify fault with the steering wheel horn; l've used an...

2 Replies

3325 Views

Last post by maxstu
05 Sep 2023, 19:46
Central locking motor

Last post by cjaysx « 05 Sep 2023, 15:18
Replies: 12
by cjaysx » 02 Sep 2023, 11:03

Hi,

Looking to repair a central locking actuator.
The gears and case I can service, just wondering if anyone know what dc motor to use as its...

12 Replies

4873 Views

Last post by cjaysx
05 Sep 2023, 15:18
"clocking" your wbx alternator mod

Last post by silverbullet « 01 Sep 2023, 10:26

by silverbullet » 01 Sep 2023, 10:26

I had to do this due to a foul on my wbx6 between one regulator mounting screw and the inlet manifold (which could have then cracked the plastic) the...

0 Replies

40958 Views

Last post by silverbullet
01 Sep 2023, 10:26
Rear Light Cluster Question

Last post by Ant-t « 31 Aug 2023, 07:25
Replies: 5
by Ant-t » 13 Aug 2023, 18:21

So I'm trying to remove the white connector from my rear light cluster having removed the outer lenses. The white rectangular connector block has six...

5 Replies

2915 Views

Last post by Ant-t
31 Aug 2023, 07:25
Late Fuse Box Internal Wiring Diagram

Last post by oli8925 « 30 Aug 2023, 22:22
Replies: 29
by oli8925 » 18 Sep 2021, 12:43
1

2
I'm wanting to add some circuits to my relatively basic van (headlight relays, twin tone horn, timed interior light relay etc) and would rather use...
29 Replies

9637 Views

Last post by oli8925
30 Aug 2023, 22:22
Constant clicking Switch Relay

Last post by whyte87 « 30 Aug 2023, 11:27
Replies: 4
by whyte87 » 27 Aug 2023, 12:16

Hi all, Newbie owner/mechanic and first time poster so be gentle...

The switch relay to the leisure battery (beneath the passenger seat) usually...

4 Replies

1238 Views

Last post by whyte87
30 Aug 2023, 11:27
Main light switch stuck

Last post by kernelpanic « 30 Aug 2023, 06:11

by kernelpanic » 30 Aug 2023, 06:11

My main light switch on the T3 just suddenly seized up yesterday, completely refusing to move and thus no lights.

I took out the switch and took it...

0 Replies

38459 Views

Last post by kernelpanic
30 Aug 2023, 06:11
Engine bay wiring not connected to anything

Last post by Ckent « 28 Aug 2023, 14:03
Replies: 11
by Ckent » 18 Jun 2023, 19:38

Hi - new owner of a 1987 tin top - 1.9 dg water cooled engine.
Giving it a good going over - service kit just arrived, coolant already flushed and...

11 Replies

1620 Views

Last post by Ckent
28 Aug 2023, 14:03
Fridge and internal water pump.

Last post by Sinkorswim « 22 Aug 2023, 18:03

by Sinkorswim » 22 Aug 2023, 18:03

Fridge and foot operated water pump not working with 240v, internal socket fine. Any clues? Auto homes Kameo.

0 Replies

38525 Views

Last post by Sinkorswim
22 Aug 2023, 18:03
Wipers work but only by pulling the indicator stalk back with headlights on only

Last post by RichmondSyncro « 20 Aug 2023, 12:49
Replies: 18
by RichmondSyncro » 13 Aug 2023, 15:31
1

2
Hello all,

I'm trying to find the cause of my current challenge as per the title Wipers work but only by pulling the indicator stalk back with...
18 Replies

2489 Views

Last post by RichmondSyncro
20 Aug 2023, 12:49
LifPo Leisure Battery capacity - 100Ah enough...?

Last post by Stesaw « 17 Aug 2023, 19:36
Replies: 4
by ManicGTI » 17 Aug 2023, 10:40

Hi all, any with any experience on 100Ah (or larger) LifPos capacity recommendations / limitations ?

I currently have a 100Ah Lead Acid leisure...

4 Replies

1738 Views

Last post by Stesaw
17 Aug 2023, 19:36
Alternative temp gauge

Last post by Aidan « 13 Aug 2023, 21:11
Replies: 3
by southernscouse » 12 Aug 2023, 15:19

Which is the best hose to cut to put in a sensor point still having trouble with original gauge so need some way of watching the temp until it’s...

3 Replies

1087 Views

Last post by Aidan
13 Aug 2023, 21:11
Mystery plug?

Last post by ZsZ « 10 Aug 2023, 05:22
Replies: 3
by spanishfly » 09 Aug 2023, 12:23

3 Replies

1222 Views

Last post by ZsZ
10 Aug 2023, 05:22
Mystery plug?

Last post by spanishfly « 09 Aug 2023, 12:21

by spanishfly » 09 Aug 2023, 12:21

0 Replies

38627 Views

Last post by spanishfly
09 Aug 2023, 12:21
Help please! No starter.

Last post by spanishfly « 09 Aug 2023, 11:55

by spanishfly » 09 Aug 2023, 11:55

2.1 mv no starter after fixing radiator fan earth. This must be something simple. Stuck at the top of a mountain without Bentley. All electrics work...

0 Replies

38803 Views

Last post by spanishfly
09 Aug 2023, 11:55
Immobiliser light fitment to dashboard

Last post by Dueller « 06 Aug 2023, 17:18
Replies: 2
by Dueller » 05 Aug 2023, 21:10

Got thinking I should really do this to my 'velle

Before I start to put more cable in I was thinking...is there a spare wire that runs from the...

2 Replies

878 Views

Last post by Dueller
06 Aug 2023, 17:18
Need to find permanent and switched lives for my engine conversion

Last post by Dueller « 02 Aug 2023, 11:59
Replies: 5
by Dueller » 23 Jul 2023, 19:09

My engine conversion has thrown up the problem of poor loading on the 'velle's electrical circuit

I need a switched live for the electrics, can...

5 Replies

1324 Views

Last post by Dueller
02 Aug 2023, 11:59
No Blower Blowing on Pripex Heater!?

Last post by maxstu « 30 Jul 2023, 16:24
Replies: 5
by keirclarke » 30 Jul 2023, 14:01

Hi everyone, I'm loving getting to grips with my new van (devon eurovette 86)

Only thing currently on the van that doesn't seem to work is the...

5 Replies

1133 Views

Last post by maxstu
30 Jul 2023, 16:24
South African T25

Last post by marlinowner « 27 Jul 2023, 08:43
Replies: 4
by lexussoarer1996 » 05 Mar 2022, 12:33

Hi ,

Does anybody know what these two lights are for , both are illuminated when the engine is running.

4 Replies

1488 Views

Last post by marlinowner
27 Jul 2023, 08:43
Melted cables/fire when charging leisure battery from zig

Last post by nicklee « 26 Jul 2023, 11:03
Replies: 9
by Brockybwoy » 16 Jul 2023, 15:49

Help

I've just had my van engine rebuilt after years sitting on the drive and getting it ready for it's 1st camping trip .

I bought new batteries ...

9 Replies

1926 Views

Last post by nicklee
26 Jul 2023, 11:03
Erratic horn, now dead... HELP!

Last post by Reggie1986 « 25 Jul 2023, 19:30
Replies: 5
by Reggie1986 » 18 Jul 2023, 10:08

Hi,

I've had an issue with the horn, and on trying to disassemble and clean I've now somehow killed it. Any help welcome, bearing in mind that I...

5 Replies

1097 Views

Last post by Reggie1986
25 Jul 2023, 19:30
No power getting to the starter motor!

Last post by RogerT « 24 Jul 2023, 13:16
Replies: 5
by Bucky P » 23 Jul 2023, 15:13

I've lost power getting from the ignition switch to the starter motor on a 1.6TD. We had a problem a few years back where there wasn't enough power...

5 Replies

1015 Views

Last post by RogerT
24 Jul 2023, 13:16
Red & Black solenoid wire, is it ignition wire?

Last post by Lobster « 22 Jul 2023, 19:31
Replies: 15
by 4gearwonder » 18 Aug 2022, 12:58
1

2
Hi all, any help always appreciated here, thank you..!

VAN is: 1.9 AAZ Diesel, '84 Bilbo

Problem is: Engine won't crank. Did the lights on bit...
15 Replies

4178 Views

Last post by Lobster
22 Jul 2023, 19:31
direction of flow radiator fan

Last post by Mocki « 21 Jul 2023, 16:28
Replies: 2
by philmcC » 21 Jul 2023, 16:23

does the 450 watt fan push or pull installed in Syncro T 25

2 Replies

920 Views

Last post by Mocki
21 Jul 2023, 16:28
T25 interior strip light replacement

Last post by Robsey « 19 Jul 2023, 13:50
Replies: 6
by andyboll1 » 18 Jul 2023, 21:31

Has anyone replaced their original strip lights with LED RGB strips? If so how did you do it? My lights run off the Leisure battery and a CP400 Zig...

6 Replies

1170 Views

Last post by Robsey
19 Jul 2023, 13:50
Engine Bay Electrical Harness

Last post by royalengineerfish « 19 Jul 2023, 09:05
Replies: 2
by royalengineerfish » 18 Jul 2023, 14:15

Hi

I am in the process of sorting parts out to make a new electrical harness for my engine electrics, these being very old. I have however notice...

2 Replies

829 Views

Last post by royalengineerfish
19 Jul 2023, 09:05

New Topic

3523 topics

Page 7 of 71
- Jump to page:
Previous
1
…
5
6
7
8
9
…
71
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