Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
MOT Mileage	Lmh2000	15 Feb 2026, 20:50	Once this week	Electrical & Instrumentation

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Last post

Non VW. Domestic 12v lighting

Last post by maxstu « 19 Feb 2021, 18:50
Replies: 19
by maxstu » 07 Feb 2021, 12:38
1

2
Spot lights in the kitchen are 12v. Hot and costly to run.
My questions are...
Are they connected to a transformer?
Is a transformer needed to run...
19 Replies

4245 Views

Last post by maxstu
19 Feb 2021, 18:50
Wiper headlight issues!

Last post by Danskip77 « 17 Feb 2021, 15:32
Replies: 6
by Danskip77 » 05 Feb 2021, 20:09

Good evening all, hope everyone's well. I have a 85 t25,and jusr had a new gremlin pop up. When I have ignition on, headlamps and wipers are fine. As...

6 Replies

1011 Views

Last post by Danskip77
17 Feb 2021, 15:32
rear heater fan

Last post by davidoft1 « 10 Feb 2021, 13:30
Replies: 6
by fh9977 » 09 Feb 2021, 14:00

Hi - is the fan in the rear heater under bench seat meant to move freely when you spin it? Mine is stuck, when I switched the heater on the other day...

6 Replies

1040 Views

Last post by davidoft1
10 Feb 2021, 13:30
Alternator light staying on....?

Last post by spanishfly « 09 Feb 2021, 20:28

by spanishfly » 09 Feb 2021, 20:28

WBX 2.1dj 90A alternator,the light is staying on after I fitted a used replacement. The previous ones bearings have just become very noisy so swapped...

0 Replies

3651 Views

Last post by spanishfly
09 Feb 2021, 20:28
Square Headlight Conversion Kit

Last post by james309 « 08 Feb 2021, 21:34
Replies: 1
by keynsham1 » 08 Feb 2021, 10:51

Has anyone bought and fitted the Type 25 Square Headlight Conversion Kit (UK Beam Pattern) which is sold by Cool Air Volkswagen Specialists? I like...

1 Replies

632 Views

Last post by james309
08 Feb 2021, 21:34
Cab light

Last post by TONYT25T25 « 07 Feb 2021, 18:30
Replies: 14
by mariner » 21 Jan 2021, 21:12

Hi all. I have one cab light in my ‘85 panel conversion that is above the driver’s door. Does anyone know if this is meant to come on when I open the...

14 Replies

3082 Views

Last post by TONYT25T25
07 Feb 2021, 18:30
Cruise Control stalk

Last post by maxstu « 05 Feb 2021, 15:43
Replies: 12
by maxstu » 29 Jan 2021, 22:46

Im attempting to fuse (ha!) together a part original VW Cruise Control unit and pump to a Subaru Forester stalk and a separate Subaru ON/OFF switch....

12 Replies

2174 Views

Last post by maxstu
05 Feb 2021, 15:43
Alternator

Last post by Mocki « 01 Feb 2021, 22:13
Replies: 4
by benbee » 01 Feb 2021, 18:44

I have a 1989 2.1 DJ and am confused about the correct Alternator. Should it be a 65 or a 90 amp? Thanks

4 Replies

971 Views

Last post by Mocki
01 Feb 2021, 22:13
Hazard light switch

Last post by Mocki « 01 Feb 2021, 22:12
Replies: 1
by mshaw1980 » 01 Feb 2021, 22:04

Anyone had this where you activate the hazard lights but only the driver side indicators flash?
Indicators all work as they should. Is this a common...

1 Replies

950 Views

Last post by Mocki
01 Feb 2021, 22:12
Heater box refurbishment

Last post by sweetaswesty « 29 Jan 2021, 12:04
Replies: 15
by sweetaswesty » 28 Jan 2021, 19:47
1

2
I’m in the middle of refurbishing the heater box on our Westy. I’ve got the foam kit from Brickwerks, a new blower motor and heater matrix.
Just two...
15 Replies

3740 Views

Last post by sweetaswesty
29 Jan 2021, 12:04
Help identifying a starter motor

Last post by 3cylinders « 27 Jan 2021, 12:16
Replies: 4
by 3cylinders » 26 Jan 2021, 21:55

I am looking to buy an unused starter motor from a private seller for a late 1.9 DG 78 PS manual petrol engine. The flywheel drive pinion spindle...

4 Replies

1153 Views

Last post by 3cylinders
27 Jan 2021, 12:16
Problem with Gas/petrol switch

Last post by Daisy « 23 Jan 2021, 18:29
Replies: 4
by Daisy » 22 Jan 2021, 11:14

A duplicate post fro electrical.

Hi folks I went to start my van this morning and it did start and run for a short period and then cut out and is...

4 Replies

1232 Views

Last post by Daisy
23 Jan 2021, 18:29
Running cables to rear view mirror.

Last post by davidoft1 « 17 Jan 2021, 11:56
Replies: 2
by Spailpin Fanach » 17 Jan 2021, 09:37

I have a reversing camera and dashcam I want to wire in on my 1989 Westfalia California poptop. It goes over the rear view mirror. The unit has 3...

2 Replies

919 Views

Last post by davidoft1
17 Jan 2021, 11:56
Fuel tank sender unit differences

Last post by Aidan « 16 Jan 2021, 15:48
Replies: 1
by multisi » 16 Jan 2021, 14:30

There are 2 standard fuel tank senders,one early pre 86 and later post 86, what would the differences be , would the dash reading be out if the wrong...

1 Replies

605 Views

Last post by Aidan
16 Jan 2021, 15:48
Heater Blower Motor Replacement

Last post by Splurt « 13 Jan 2021, 21:17
Replies: 4
by Splurt » 12 Jan 2021, 14:28

My blower motor has been acting up recently, takes some time to get up to full speed and squeals a bit in doing so. It's had too many birthdays so...

4 Replies

2788 Views

Last post by Splurt
13 Jan 2021, 21:17
Bench Testing an Alternator.

Last post by Mocki « 10 Jan 2021, 19:56
Replies: 23
by maxstu » 20 Nov 2020, 23:58
1

2
I have two spare T25 alternators. One is a 90 amps version with a new voltage regulator. The other has lost it's label but is totally identical to...
23 Replies

6557 Views

Last post by Mocki
10 Jan 2021, 19:56
Glow plug wiring woes

Last post by hubcap61 « 08 Jan 2021, 13:07
Replies: 12
by Drawl21 » 07 Jan 2021, 15:49

Good afternoon all
I’ve recently acquired a 1986 16 turbo diesel (JX)camper,the previous owner has wired the glow plugs up to a push button on the...

12 Replies

3063 Views

Last post by hubcap61
08 Jan 2021, 13:07
Buzzer of Doom - again

Last post by ajsimmo « 06 Jan 2021, 08:39
Replies: 6
by Tony Somerset » 04 Jan 2021, 14:37

Hi there. I have a G-reg Autohomes Komet, 1.9 petrol. Last summer I had the buzzer of doom problem, The oil warning light and the buzzer came on and...

6 Replies

1527 Views

Last post by ajsimmo
06 Jan 2021, 08:39
Refitting the speedo cable to the grease cap

Last post by killerme « 03 Jan 2021, 19:52
Replies: 11
by killerme » 21 Dec 2020, 20:23

VW T25 1989 water cooled turbo diesel. I have an old threaded speedometer, that runs through the square hole in the hub grease cap. I've checked all...

11 Replies

30036 Views

Last post by killerme
03 Jan 2021, 19:52
Sliding door switch & interior lighting?

Last post by Timwhy « 03 Jan 2021, 11:14
Replies: 9
by DevonAid » 31 Dec 2020, 18:07

Went mad recently and bought new interior light switches for the cab doors: interior lighting to the cab restored (previous switch cleaning efforts...

9 Replies

2521 Views

Last post by Timwhy
03 Jan 2021, 11:14
Solar on Komet roof?

Last post by randamonia « 02 Jan 2021, 18:03
Replies: 4
by randamonia » 01 Jan 2021, 13:54

Hi

Has anyone fitted a semi-flexible solar panel to a Komet roof? The roof has contours which I am not sure a panel will handle? Any...

4 Replies

1322 Views

Last post by randamonia
02 Jan 2021, 18:03
Electrics in the gas locker

Last post by rollercoaster « 01 Jan 2021, 19:58
Replies: 9
by rollercoaster » 30 Dec 2020, 13:38

Just about to put the (mains) electric trip box in the gas locker,
its vented at the bottom to the outside world..
but is this wise, never heard...

9 Replies

4309 Views

Last post by rollercoaster
01 Jan 2021, 19:58
Speedo Calibration woes.

Last post by acebaraka « 01 Jan 2021, 17:49
Replies: 15
by jim4447 » 21 Jul 2020, 09:27
1

2
Hi,
Hope this is the right forum for this query.( Apologies if not )
Just got my speedo back from Germany where I sent it to be calibrated.
It is an...
15 Replies

4931 Views

Last post by acebaraka
01 Jan 2021, 17:49
Access to heater blower switch

Last post by Stesaw « 31 Dec 2020, 16:07
Replies: 1
by Gixerman60 » 31 Dec 2020, 07:11

Once again Haynes is silent on this. Many article suggest removing whole dash! But its so easy to get to. Pull of knob. Prise off the panel with a...

1 Replies

784 Views

Last post by Stesaw
31 Dec 2020, 16:07
Blue main beam tell tale not working.

Last post by Gixerman60 « 31 Dec 2020, 07:16
Replies: 14
by colinlowe » 20 Sep 2020, 16:23

Hi all,
Sorry in advance as I suspect this has been covered somewhere, although I could not find it.
I have a '87 Autosleeper high top 1.9dg.
My...

14 Replies

6245 Views

Last post by Gixerman60
31 Dec 2020, 07:16
Eberspacher D1LCC re-ignition problem.

Last post by davidoft1 « 24 Dec 2020, 13:13
Replies: 11
by Rosie n' Jim » 23 Dec 2020, 17:56

Hi guys.

I bought a second-hand D1LCC compact some time back, and now have it fitted. It has an odd problem I can't figure out. When power is first...

11 Replies

2429 Views

Last post by davidoft1
24 Dec 2020, 13:13
Which coil for a 1.9 dg?

Last post by BackForMore « 21 Dec 2020, 08:52
Replies: 4
by BackForMore » 19 Dec 2020, 17:02

The sticker has rubbed off so I can’t identify which to get as a replacement. Does it matter? Green, grey or the other one?

4 Replies

2929 Views

Last post by BackForMore
21 Dec 2020, 08:52
Temperature gauge not working

Last post by Mocki « 19 Dec 2020, 17:00
Replies: 3
by Ashwood » 18 Dec 2020, 21:49

Hi,

The temperature gauge on my 1990 2.1DJ is not working. I’ve disconnected the sender unit wire and earthed it with the ignition on, but there is...

3 Replies

1090 Views

Last post by Mocki
19 Dec 2020, 17:00
Zig cf8 makes clicking noise

Last post by Oldiebut goodie « 18 Dec 2020, 11:17
Replies: 27
by oscarvandriel » 11 Jul 2015, 16:49
1

2
My zig cf8 makes clicking noises when hooked up on 240 mains.
But, when I pull out the 2amp fuse it stops clicking and everything still works fine....
27 Replies

13023 Views

Last post by Oldiebut goodie
18 Dec 2020, 11:17
3 pin plug in engine bay

Last post by R0B « 17 Dec 2020, 23:58
Replies: 3
by 10to4 » 17 Dec 2020, 20:58

There is a covered 3 pin plug in my 2L CU Aircooled engine bay
Any ideas what it is for?

3 Replies

1141 Views

Last post by R0B
17 Dec 2020, 23:58
Tacho options for a petrol dash?

Last post by ViktorK « 17 Dec 2020, 22:21
Replies: 243
by CJH » 26 Jun 2018, 12:14
1

…

13

14

15

16

17
I've been looking for an OEM petrol rev counter to replace the time clock in my early dash. I know the loom/PCB is different, but now that I've...
243 Replies

587910 Views

Last post by ViktorK
17 Dec 2020, 22:21
Zig cf8 not charging from 240v

Last post by AngeloEvs « 16 Dec 2020, 13:24
Replies: 7
by InventEd » 06 Sep 2015, 13:23

Hi

2 months into my new T25, after replacing the engine I am now onto sorting the camping electrics. I have been through the system and removed...

7 Replies

3946 Views

Last post by AngeloEvs
16 Dec 2020, 13:24
Starter motor solenoid

Last post by Stesaw « 14 Dec 2020, 18:26
Replies: 11
by Stesaw » 13 Dec 2020, 14:06

Allo chaps is there anyway to get one of these open.
I'd like to fix it as I want to test the engine in the syncro I've picked up. The starter is...

11 Replies

2319 Views

Last post by Stesaw
14 Dec 2020, 18:26
Heated seat thermistor

Last post by ZsZ « 11 Dec 2020, 20:10
Replies: 2
by ZsZ » 11 Dec 2020, 16:03

Hi all!

I am in a project, but stuck at the moment. I want to control cheap chinese heated seat pads with the factory wiring and relay .
In the...

2 Replies

1130 Views

Last post by ZsZ
11 Dec 2020, 20:10
Lumpy running and yep the old favourite a misfire...

Last post by maxstu « 07 Dec 2020, 21:00
Replies: 12
by Nigelg37 » 23 Nov 2020, 21:17

Evening all,
This is my first Post so humble apologies upfront if I haven’t got used to how the Forum works yet. In advance of asking for your help...

12 Replies

4356 Views

Last post by maxstu
07 Dec 2020, 21:00
Electrical Gremlins

Last post by slowcoach « 05 Dec 2020, 19:53
Replies: 1
by Gixerman60 » 05 Dec 2020, 18:12

Once again, electrical problems. Lost all electrics, and I mean all. Luckily at home. Didn't believe it could be battery earth again, so tested...

1 Replies

1673 Views

Last post by slowcoach
05 Dec 2020, 19:53
Reconnecting leisure - terrified

Last post by darrenstrachan « 05 Dec 2020, 17:26
Replies: 5
by darrenstrachan » 05 Dec 2020, 16:22

Hi All,

I took my leisure battery out to check its charge level, and now I’m too terrified to fit it back fully. If I connect the positive side up...

5 Replies

1271 Views

Last post by darrenstrachan
05 Dec 2020, 17:26
Diesel or petrol rev counter?

Last post by scotttie « 01 Dec 2020, 21:00
Replies: 3
by scotttie » 01 Dec 2020, 11:24

Hi all,

I’ve been trying to get to the bottom of this but haven’t had much luck. I recently purchased an instrument panel with rev counter on...

3 Replies

1291 Views

Last post by scotttie
01 Dec 2020, 21:00
Square lights.

Last post by davidoft1 « 01 Dec 2020, 09:21
Replies: 6
by T3BUS » 14 Nov 2020, 20:20

Hope someone can help me out (again), I have square headlights playing up! When I switch to main beam the rhs inner lamp doesn’t come on and the...

6 Replies

1591 Views

Last post by davidoft1
01 Dec 2020, 09:21
Black box wiring

Last post by TONYT25T25 « 29 Nov 2020, 18:44
Replies: 10
by captain Byrne » 28 Nov 2020, 19:54

Ever since I've had my van over 12 years now I've occasionally looked inside the black box in the engine bay & thought ooh, that doesn't look good,...

10 Replies

3316 Views

Last post by TONYT25T25
29 Nov 2020, 18:44
Heater control panel bulb

Last post by clone123 « 27 Nov 2020, 13:12
Replies: 4
by clone123 » 27 Nov 2020, 09:20

Hi does anyone know the number of the bulb for the heater control panel mine has never had one in since I've owned the van I know you can buy it with...

4 Replies

1297 Views

Last post by clone123
27 Nov 2020, 13:12
2nd break down.... halls unit?

Last post by maxstu « 24 Nov 2020, 09:31
Replies: 11
by ash1293 » 25 Sep 2020, 17:01

Just got home from our second break down with the van, both locally and appeared easily solved....... hmmmm

Background - had the odd cut out coming...

11 Replies

3029 Views

Last post by maxstu
24 Nov 2020, 09:31
Hazard lights only work on one side

Last post by Gingermagic « 21 Nov 2020, 17:16
Replies: 14
by Gingermagic » 11 Oct 2020, 11:38

Hi All,

Our hazard lights, from the outside, just look like we're indicating left.

The right indicators work fine as indicators, but don't come on...

14 Replies

5868 Views

Last post by Gingermagic
21 Nov 2020, 17:16
Dashboard illumintation lights

Last post by TONYT25T25 « 21 Nov 2020, 14:28
Replies: 5
by TONYT25T25 » 19 Nov 2020, 18:41

One of the illumination lights over the speedo was playing up, tried to change it but on removing the whole white plastic holder a piece of metal...

5 Replies

1374 Views

Last post by TONYT25T25
21 Nov 2020, 14:28
KPH speedo failed MOT

Last post by diabolov « 19 Nov 2020, 12:09
Replies: 12
by killerme » 18 Nov 2020, 15:48

They moan about it every year, but this year they failed me even though I have stickers on the outside glass. I know this has been discussed before...

12 Replies

3867 Views

Last post by diabolov
19 Nov 2020, 12:09
Car stereo recommendations

Last post by Mocki « 18 Nov 2020, 21:12
Replies: 6
by M13esy » 17 Nov 2020, 18:45

Not great with electrics, got no stereo in at the moment want to buy a Bluetooth stereo any recommendations?? How easy are they to fit yourself?

6 Replies

4279 Views

Last post by Mocki
18 Nov 2020, 21:12
Internal air blower/fan

Last post by AngeloEvs « 18 Nov 2020, 10:07
Replies: 5
by Gingermagic » 11 Oct 2020, 11:19

Hi all,

The whole control panel, for our air flow, seems to do nothing.

I also don't know exactly how it's supposed to work, but can assume that...

5 Replies

1916 Views

Last post by AngeloEvs
18 Nov 2020, 10:07
T25 1985 headlight replacements

Last post by slowcoach « 17 Nov 2020, 19:20
Replies: 1
by Villa victim » 16 Nov 2020, 21:54

Anyone know of a good set of headlights that i can fit to my t25, led or otherwise , I just want to see the road ahead, mine are originals but all...

1 Replies

778 Views

Last post by slowcoach
17 Nov 2020, 19:20
Horn - metal ring under the wheel

Last post by luter82 « 14 Nov 2020, 15:05
Replies: 7
by luter82 » 13 Nov 2020, 23:32

Hi guys,
I just fixed the metal ring under the wheel which works as a connection between the horn button and the rest of the circuit. I just...

7 Replies

1712 Views

Last post by luter82
14 Nov 2020, 15:05
Aircooled HT leads

Last post by Davegrohl99 « 13 Nov 2020, 21:19

by Davegrohl99 » 13 Nov 2020, 21:19

Well lads,

Having a bit of an ongoing issue since the rebuild involving cylinder 4s HT lead not getting great spark and poor idling when it happens....

0 Replies

3035 Views

Last post by Davegrohl99
13 Nov 2020, 21:19

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