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

Where does the output wire go from the alternator?

Last post by Oldiebut goodie « 25 Jun 2020, 19:12
Replies: 21
by Shotage » 15 Oct 2014, 17:41
1

2
Hi.

My Dad has just replaced brushes and electrode on my alternator as it had stopped charging. The alternator is definitely working now, but it's...
21 Replies

18972 Views

Last post by Oldiebut goodie
25 Jun 2020, 19:12
water pump for sink

Last post by tatoes « 25 Jun 2020, 15:49

by tatoes » 25 Jun 2020, 15:49

hi just wired up my water pumpto sink in my t25 auto sleeper pump running ok but no water making lots hissing noise turned of at switch turned...

0 Replies

1852 Views

Last post by tatoes
25 Jun 2020, 15:49
coolant and petrol gauges reading low

Last post by Ray « 22 Jun 2020, 15:20
Replies: 3
by Ray » 14 Jun 2020, 20:05

Coolant problems again, temp and fuel gauges reading low ? voltage regulator. Thought I had fixed it by cleaning up connection to the coolant sensor...

3 Replies

1714 Views

Last post by Ray
22 Jun 2020, 15:20
Water water everywhere...

Last post by Mocki « 21 Jun 2020, 12:20
Replies: 8
by Porkandbeef74 » 21 Jun 2020, 09:53

Morning,
first post and new to the world of T25s. Looking for advice if possible...
Driving round M25 yesterday (not for fun) and had lots of people...

8 Replies

3291 Views

Last post by Mocki
21 Jun 2020, 12:20
Any idea?

Last post by Mocki « 17 Jun 2020, 19:16
Replies: 7
by R0B » 17 Jun 2020, 16:06

Just found 2 of these after having a sort out but can't remember buying them. My guess is they are voltage regulators or speed regulators. But I am...

7 Replies

2115 Views

Last post by Mocki
17 Jun 2020, 19:16
Solar joy

Last post by Oldiebut goodie « 17 Jun 2020, 14:43
Replies: 13
by triumph » 11 Mar 2020, 20:42

Hi folks,

I hope you can help.
Have spent a while reading through posts on solar panels, many of the more detailed ones are quite old now, so I...

13 Replies

5072 Views

Last post by Oldiebut goodie
17 Jun 2020, 14:43
Sticky stuff

Last post by T25boy71 « 17 Jun 2020, 10:36
Replies: 6
by T25boy71 » 16 Jun 2020, 18:53

Hi all
I’m in need of some advise on the best glue/epoxy to fix the clock/speedo.
The back of the Analogue clock has some tabs missing and cracks...

6 Replies

2176 Views

Last post by T25boy71
17 Jun 2020, 10:36
''E3 Diamond Fire'' spark plugs better fuel economy?

Last post by luter82 « 14 Jun 2020, 23:57
Replies: 3
by luter82 » 02 Jun 2020, 13:51

Hi guys,
I have watched a video on youtube of a guy testing different sparkplugs brands with his lawnmower engine.
It came out that E3 spark Diamond...

3 Replies

1525 Views

Last post by luter82
14 Jun 2020, 23:57
Electrical issues.

Last post by Satch « 14 Jun 2020, 17:39
Replies: 4
by Satch » 14 Jun 2020, 13:19

Hi,

I have a question regarding my 1986 Petrol 1.9 DG Watercooled van.

It hasn't moved much in the last year and since re charging a flat battery...

4 Replies

1208 Views

Last post by Satch
14 Jun 2020, 17:39
Cooling fan

Last post by Mocki « 14 Jun 2020, 16:58
Replies: 1
by Michael4 » 14 Jun 2020, 15:45

I assume my van has a two speed fan. In the 2-3 years we have had the van I have never heard it run...but then I avoid queues like the plague....

1 Replies

873 Views

Last post by Mocki
14 Jun 2020, 16:58
Temp gauge what's this?

Last post by Michael4 « 14 Jun 2020, 15:33
Replies: 18
by Michael4 » 31 May 2020, 13:21
1

2
Here's a pic of the back of my temp gauge. What is the green thing and what is its purpose? Looks like someone has been in there before...

By...
18 Replies

4438 Views

Last post by Michael4
14 Jun 2020, 15:33
leisure battery

Last post by Santa79 « 14 Jun 2020, 07:18
Replies: 23
by adam64 » 15 Jan 2015, 09:49
1

2
does anyone know if theres a leisure battery on the market that will fit under the passanger seat on mt 82 camper iv been told by local battery place...
23 Replies

13306 Views

Last post by Santa79
14 Jun 2020, 07:18
Rear wiper motor replacement from T4

Last post by syncro garry « 13 Jun 2020, 16:50

by syncro garry » 13 Jun 2020, 16:50

I have a burned out rear wiper motor + worm gear & am looking for a replacement.
The VW part No is 251 955 713A.
Whilst looking for one I came across...

0 Replies

1809 Views

Last post by syncro garry
13 Jun 2020, 16:50
Fuel pump cavitation caused by petrol heater t-piece feed?

Last post by slowcoach « 12 Jun 2020, 22:53
Replies: 6
by mshaw1980 » 11 Jun 2020, 20:40

Oldiebutgoodie may be able to help with this one...and maybe a few other of you :-)

I have my webasto petrol heater fuel line spliced into the fuel...

6 Replies

1944 Views

Last post by slowcoach
12 Jun 2020, 22:53
finding replacement connectors

Last post by zoona « 10 Jun 2020, 08:19
Replies: 2
by zoona » 09 Jun 2020, 14:10

I am trying to replace some connectors in my van, and am struggling to find replacements.

Does anybody have any good sources of old VW connector...

2 Replies

1077 Views

Last post by zoona
10 Jun 2020, 08:19
Analogue Clock

Last post by Rotormac « 09 Jun 2020, 20:56
Replies: 9
by Richardspain » 17 Nov 2019, 08:06

So ... my analogue clock doesn’t work. It never has. I tried this solution and no luck onclick= window.open(this.href);return false;.

So what are...

9 Replies

3611 Views

Last post by Rotormac
09 Jun 2020, 20:56
Electric’s issue. swapped 1.9dg to 2.1dj

Last post by SuffolkT25 « 09 Jun 2020, 19:31
Replies: 10
by SuffolkT25 » 07 Jun 2020, 16:02

Hi all.
My lovely T25 came with a fairly knackered 1.9dg. Usual head gaskets failure due to not being cared for. Was very happy to find a good 2.1Dj...

10 Replies

2425 Views

Last post by SuffolkT25
09 Jun 2020, 19:31
Fan and Wiper Power Supply Question

Last post by Dobble « 08 Jun 2020, 12:58
Replies: 3
by Woostyd » 03 Jun 2020, 08:36

Hello everyone, hope you are all well and safe.

I’ve just recommissioned Bertie Bus and had the common heater blower/wipers not working problem....

3 Replies

1388 Views

Last post by Dobble
08 Jun 2020, 12:58
No power to light switch

Last post by Mocki « 06 Jun 2020, 18:19
Replies: 6
by benbee » 06 Jun 2020, 16:16

Hope someone can help. Headlights {dip and main}, Side lights and tail lights have all stopped working. Everything else is fine. Fuses are good and...

6 Replies

1695 Views

Last post by Mocki
06 Jun 2020, 18:19
Advice on Speedo recording KM to Miles

Last post by Stesaw « 03 Jun 2020, 22:13
Replies: 2
by Stesaw » 03 Jun 2020, 16:41

Bit of backstory, I've picked up a dash pod with a rev counter and clock, my current pod doesn't have the clock nor a rev counter. The one i've...

2 Replies

1446 Views

Last post by Stesaw
03 Jun 2020, 22:13
big electric mirrors

Last post by xdelboyx « 02 Jun 2020, 17:10
Replies: 12
by dumbo » 30 Sep 2017, 14:29

hi big electric mirrors the wiring need help...
black/yellow wire pin G1 to drivers door mirror switch then black,blue ,white to mirror and brown to...

12 Replies

5209 Views

Last post by xdelboyx
02 Jun 2020, 17:10
SPEEDO STICKING

Last post by jim4447 « 02 Jun 2020, 15:16
Replies: 1
by jim4447 » 01 Jun 2020, 16:40

First run out since lockdown and speedo , though steady , no wobble, is reading way below and above compared to GPS on the phone.
It is on my 89...

1 Replies

984 Views

Last post by jim4447
02 Jun 2020, 15:16
Low voltage disconnect

Last post by slowcoach « 01 Jun 2020, 09:07
Replies: 12
by slowcoach » 03 Mar 2020, 12:58

Hi all,
Have any of you a recomendation for a low voltage isolator for a leisure battery? Something simple and self contained (In a housing) that's...

12 Replies

6085 Views

Last post by slowcoach
01 Jun 2020, 09:07
Supply for electric mirrors (black/yellow trace)

Last post by silverbullet « 30 May 2020, 17:46
Replies: 1
by silverbullet » 30 May 2020, 16:47

Bentley says on page 97.184 that this is from pin G1 on the late type fuse board (Appear to be 4 of them, all single terminal in a vertical line) and...

1 Replies

835 Views

Last post by silverbullet
30 May 2020, 17:46
Replacement Fridge for Electrolux RM123E

Last post by Duckman « 29 May 2020, 14:23

by Duckman » 29 May 2020, 14:23

We have an Electrolux RM123E fridge (3 way) in our T25 Autohomes Kamper which we would like to replace. Can anyone recommend a fridge that will just...

0 Replies

2011 Views

Last post by Duckman
29 May 2020, 14:23
Unexpected buzzer of doom

Last post by AngeloEvs « 26 May 2020, 19:25
Replies: 6
by lahoski » 24 May 2020, 15:00

Afternoon!

Started the van up after 10 weeks of not moving. As soon as I rev the oil pressure light comes on and I get the buzzer of doom.

I'm...

6 Replies

2014 Views

Last post by AngeloEvs
26 May 2020, 19:25
What should the oil light do when starting?

Last post by WhiteWesty82 « 25 May 2020, 09:25
Replies: 9
by WhiteWesty82 » 24 May 2020, 08:43

Hello,

I have a question about my 1.9 DG Westfalia California: When I turn the ignition key to the first position, the oil warning LED (very...

9 Replies

2885 Views

Last post by WhiteWesty82
25 May 2020, 09:25
Wiring up new compressor fridge

Last post by mike9009 « 23 May 2020, 17:14
Replies: 11
by mariner » 13 May 2020, 11:03

Hi all. I'm hooking up a new CRX50 and need a bit of advice on the wiring as need to replace what was used for the 12v on the old one.

What ampage...

11 Replies

4485 Views

Last post by mike9009
23 May 2020, 17:14
Dehler interior lights/power???

Last post by spanishfly « 19 May 2020, 21:46

by spanishfly » 19 May 2020, 21:46

Does anyone know where the power feed for the interior lights should come from in a Dehler Profi 2+2 1987 please?
Have power to the central interior...

0 Replies

1809 Views

Last post by spanishfly
19 May 2020, 21:46
Zig Delete

Last post by Mocki « 19 May 2020, 07:19
Replies: 7
by rollercoaster » 16 May 2020, 17:58

Dont know why I have lived with it so long,
but due to the interior refit its time to remove it.
What did it do anyway?
I wonder if theres a simple...

7 Replies

1724 Views

Last post by Mocki
19 May 2020, 07:19
T3 Indicators in a hurry !

Last post by maxstu « 18 May 2020, 20:50
Replies: 14
by sump » 05 May 2020, 17:38

Hi all,
My 88 van has suddenly started flashing too quickly?

Haven't changed anything and all four are working just far too fast.

Any ideas out...

14 Replies

3312 Views

Last post by maxstu
18 May 2020, 20:50
Auto 2.1 Bosch Starter Motor Solenoid Test

Last post by 937carrera « 17 May 2020, 14:31
Replies: 18
by maxstu » 11 May 2020, 16:43
1

2
Decided to dig out a failed starter motor for auto 2.1. Tore it apart, cleaned out and added new carbon brushes. Assembled and bench tested. Ran fine...
18 Replies

5063 Views

Last post by 937carrera
17 May 2020, 14:31
cab lighting

Last post by killerme « 15 May 2020, 11:52

by killerme » 15 May 2020, 11:52

I had a really good cab light with two scrolling reading lights as well as a central light, but sadly it has hit the grave. I can't seem to find a...

0 Replies

1764 Views

Last post by killerme
15 May 2020, 11:52
Heater Fascia Removal..

Last post by Stesaw « 13 May 2020, 19:16
Replies: 4
by dontpanic » 13 May 2020, 10:17

I've read and followed the forum threads but can't seem to budge the heater fascia. It says to gently pull it so I can examine the heater blower...

4 Replies

1387 Views

Last post by Stesaw
13 May 2020, 19:16
Yet another temp gauge question

Last post by Mocki « 13 May 2020, 16:08
Replies: 3
by Michael4 » 13 May 2020, 14:03

I've had a look on the Wiki and tried search but not found what I am looking for...

Everything is working, thermostat opens, heater works, no...

3 Replies

1175 Views

Last post by Mocki
13 May 2020, 16:08
coolant flashing light

Last post by MidLifeCrisis « 09 May 2020, 18:06
Replies: 6
by Holty » 07 May 2020, 11:18

Hi All,

I have been trying to sort the flashing coolant light for the last week or so.

I have found a wiring issue with the level sensor, plug and...

6 Replies

2258 Views

Last post by MidLifeCrisis
09 May 2020, 18:06
No Heater or Radiator Fan - Common Denominator?

Last post by dontpanic « 06 May 2020, 09:00
Replies: 4
by dontpanic » 05 May 2020, 17:14

Hi Everyone

Need some wisdom on my early 1.9 DG Water-cooled engine (1985) as it's driving me around the bend.

The heater and radiator fan aren't...

4 Replies

1272 Views

Last post by dontpanic
06 May 2020, 09:00
Radiator Fan One speed WBX 1.9DG

Last post by Aidan « 06 May 2020, 08:48
Replies: 1
by Madagas2002 » 05 May 2020, 18:40

Hi,
I seem to have only one speed on my radiator fan.
I did the paper clip test over the three plug connectors, middle to one side,
the fan works...

1 Replies

828 Views

Last post by Aidan
06 May 2020, 08:48
High beam dash light

Last post by AngeloEvs « 05 May 2020, 20:55
Replies: 1
by WILKS » 05 May 2020, 18:08

Just a post to find a supplier of the High Beam “telltail” bulb. This would be a bulb not an led..B/werks nil stock.

1 Replies

856 Views

Last post by AngeloEvs
05 May 2020, 20:55
Am I doing something wrong here...

Last post by killerme « 05 May 2020, 10:02
Replies: 15
by killerme » 30 Apr 2020, 13:01
1

2
Westy T25 1989
My main battery is always draining. When I test it for draw it doesn't show any leak at all (disconnect the neg battery point and link...
15 Replies

3468 Views

Last post by killerme
05 May 2020, 10:02
New headlights

Last post by clone123 « 04 May 2020, 17:49
Replies: 10
by clone123 » 24 Apr 2020, 15:55

My brand new shiny headlamps hope they pass the MOT

Sent from my SM-G955F using Tapatalk

10 Replies

3457 Views

Last post by clone123
04 May 2020, 17:49
Looking for circuit board for dash

Last post by Ronan1981 « 03 May 2020, 12:11
Replies: 7
by Ronan1981 » 16 Apr 2020, 14:05

Hi good people, does anyone know where to purchase a circuit board for back of dashboard? It's to suit 1980 t25 transporter. Any info will help as...

7 Replies

2364 Views

Last post by Ronan1981
03 May 2020, 12:11
Waterpump

Last post by sivan « 01 May 2020, 17:10
Replies: 6
by sivan » 30 Apr 2020, 18:12

Hi Folks,i have a autohomes kameo that originally had a water tank under the seat, however a PO must have removed it! I am thinking of putting a...

6 Replies

1472 Views

Last post by sivan
01 May 2020, 17:10
Legal LED

Last post by ash1293 « 30 Apr 2020, 17:28
Replies: 3
by Asw » 30 Apr 2020, 16:15

Hi
Can anyone recommend a legal (MOT passing) set lol LED headlights for a 1981 van?

3 Replies

1537 Views

Last post by ash1293
30 Apr 2020, 17:28
Flexi Navigation Light Not Staying Lit

Last post by maxstu « 30 Apr 2020, 11:36
Replies: 7
by maxstu » 30 Apr 2020, 07:59

Camper flexi navigation light on B pillar above passanger seat on RHD. Power comes from sliding door light live wire and arrives at switch black...

7 Replies

1654 Views

Last post by maxstu
30 Apr 2020, 11:36
LED DRLs

Last post by JonB « 30 Apr 2020, 07:39
Replies: 7
by King Kenny » 11 Apr 2020, 19:34

IMG_3455web.jpg Decided I would fit a pair of daytime running lamps to the underside of the front bumper. I have wired them into an ignition...

7 Replies

2133 Views

Last post by JonB
30 Apr 2020, 07:39
FM signal through DAB aerial

Last post by slowcoach « 29 Apr 2020, 10:56
Replies: 2
by slowcoach » 29 Apr 2020, 07:45

I wouldnt mind getting rid of my ill fitting FM aerial - can you receive an FM signal through a DAB car aerial? no idea on this subject!
thanks

2 Replies

1080 Views

Last post by slowcoach
29 Apr 2020, 10:56
HHEELLPP early petrol van to aaz temperature wiring issue

Last post by Mocki « 27 Apr 2020, 17:37
Replies: 3
by Autojunkie88 » 27 Apr 2020, 11:57

Hi folks im sorry if this has been spoke of already, i have had a browse and search but not found what i need. can anyone help with the temp sensor...

3 Replies

1111 Views

Last post by Mocki
27 Apr 2020, 17:37
Current Draw

Last post by Mocki « 27 Apr 2020, 12:52
Replies: 3
by manluka » 27 Apr 2020, 11:57

Hi guys,

looking for advice please. I have a current draw of 13.8Amps... Rapid drain on my 65Ah battery, so I disconnect Neg lead when the van is...

3 Replies

1289 Views

Last post by Mocki
27 Apr 2020, 12:52
control panel lights

Last post by angleseycaver « 24 Apr 2020, 17:56
Replies: 5
by angleseycaver » 22 Apr 2020, 18:58

I thought I knew every thing about my 1983 petrol every thing was working ok until today, I started her up to give the engine a bit of a run, I...

5 Replies

1760 Views

Last post by angleseycaver
24 Apr 2020, 17:56

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