Electrical & Instrumentation

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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

6114 Views

Last post by Hacksawbob
10 Feb 2013, 23:56
Starter, what would you do ?

Last post by Dazco « Yesterday, 22:35
Replies: 3
by Phillydra » Yesterday, 15:25

So after reading a few threads on here about starter motor issues and watching a few videos on youtube I'm unsure what to do?

Yesterday I went to...

3 Replies

64 Views

Last post by Dazco
Yesterday, 22:35
Errant Unplugged Cable in Engine Bay

Last post by garyh « Yesterday, 19:10
Replies: 2
by garyh » Yesterday, 17:43

Would really appreciate some guidance on what this unplugged cable is. Its in the rear left hand corner of the engine bay on a 1900cc petrol 1985 T25...

2 Replies

42 Views

Last post by garyh
Yesterday, 19:10
Intermittent starting problem

Last post by Phillydra « Yesterday, 13:32
Replies: 12
by jimrat » 15 May 2016, 18:51

Hi

I need help with an intermittent starter issue: sometimes when I turn the ignition key, the starter doesn't turn. All the dash lights come on,...

12 Replies

6431 Views

Last post by Phillydra
Yesterday, 13:32
Fridge help please!

Last post by Mocki « 13 Jul 2020, 20:43
Replies: 6
by WineWurzel » 13 Jul 2020, 12:00

Hey there; just dropping in for my first post as recommended to join this forum having recently bought our first T25 (1983 Holdsworth Villa; 1.9...

6 Replies

106 Views

Last post by Mocki
13 Jul 2020, 20:43
Solar controller recommendations

Last post by ghost123uk « 13 Jul 2020, 08:45
Replies: 14
by paperhouselad » 01 Jul 2020, 20:12

Hi
just purchased a solar panel, 160w from photonic-universe. Anyone point me in the right direction regarding a decent mppt controller to keep...

14 Replies

427 Views

Last post by ghost123uk
13 Jul 2020, 08:45
Leisure battery extra fuse box questions

Last post by bigherb « 12 Jul 2020, 14:47
Replies: 4
by troglodisme » 11 Jul 2020, 12:09

I am installing an extra fuse box for my leisure battery and have made a diagram to make sure I know what I am doing. Could you please take a look a...

4 Replies

111 Views

Last post by bigherb
12 Jul 2020, 14:47
Early 1981 air-cooled not starting after fusebox cleanup

Last post by Ralf85 « 11 Jul 2020, 07:50
Replies: 18
by troglodisme » 07 Jul 2020, 21:05
1

2
Hi all,

As part of an ongoing effort in trying to understand the 40 years of history of my T25 Petrol early 1981, today I undid all the wires from...
18 Replies

404 Views

Last post by Ralf85
11 Jul 2020, 07:50
Steering column mystery button.

Last post by BigScottyUK « 10 Jul 2020, 18:20
Replies: 9
by BigScottyUK » 09 Jul 2020, 17:54

Mmm. It’s on the steering column (87 1.6TD JX).
It’s not connected to anything.
It’s a mystery.
Any ideas anyone?

Sent from my iPhone using...

9 Replies

277 Views

Last post by BigScottyUK
10 Jul 2020, 18:20
MV idles at 3400rpm.....?

Last post by spanishfly « 08 Jul 2020, 23:25
Replies: 4
by spanishfly » 07 Jul 2020, 21:00

Been living with a fast idle on my MV engined Dehler when warm whilst I tackled mechanical improvements and worked on an interior.

Having done most...

4 Replies

109 Views

Last post by spanishfly
08 Jul 2020, 23:25
Radiator Fan Current? Newbie asking!

Last post by Piratepete « 08 Jul 2020, 22:31
Replies: 4
by Piratepete » 08 Jul 2020, 17:20

Hi Guys
Hope to be moving again - at last!

I've started and run the van a few times over the last couple of months. She always starts first time...

4 Replies

69 Views

Last post by Piratepete
08 Jul 2020, 22:31
DRL Wiring

Last post by silverbullet « 08 Jul 2020, 19:08
Replies: 10
by TheDocmeister » 09 Mar 2018, 16:42

I've bought some clear lense indicators which have both the original style bulb holder and a separate W5W style holder too. It's been supplied with...

10 Replies

1598 Views

Last post by silverbullet
08 Jul 2020, 19:08
T25 electric powered wing mirrors

Last post by davidoft1 « 05 Jul 2020, 20:24
Replies: 2
by mariner » 05 Jul 2020, 19:36

Are these available to buy anywhere? I'm guessing not having had a google so ask more in hope than expectation. Would love to get hold of a pair as I...

2 Replies

103 Views

Last post by davidoft1
05 Jul 2020, 20:24
Leisure battery help for a newbie please

Last post by maxstu « 04 Jul 2020, 07:43
Replies: 4
by kevinpke » 28 Jun 2020, 21:03

We are proud new owners of a 1987 T25 Caravelle, with a shocking lack of practical knowledge or ability. Our leisure battery seems to have stopped...

4 Replies

173 Views

Last post by maxstu
04 Jul 2020, 07:43
Poxy horn!

Last post by 2011dandd « 02 Jul 2020, 17:38

by 2011dandd » 02 Jul 2020, 17:38

Hi everyone
Been ages since I’ve been on the forum.
The van needs an mot and the only thing I know it will fail on for sure is the horn.
Had to...

0 Replies

107 Views

Last post by 2011dandd
02 Jul 2020, 17:38
Radiator Fan - 20 sec on then off

Last post by Mark S « 02 Jul 2020, 12:22
Replies: 5
by aknapper » 22 Jun 2020, 08:30

1987 Komet DG High top: So the radiator fan does work. but just not very long - maybe 20-30 sec at a time. Coolant temp has always run a bit hot...

5 Replies

381 Views

Last post by Mark S
02 Jul 2020, 12:22
Battery Dead?? No lights no nothing

Last post by Mocki « 02 Jul 2020, 09:09
Replies: 19
by crazyhorse » 17 May 2020, 18:10
1

2
Hi all, hope everyone is keeping ok??

Ill try and keep this short in the hope that I can get an answer.

Some backstory as I know everyone likes a...
19 Replies

806 Views

Last post by Mocki
02 Jul 2020, 09:09
Horn contact

Last post by Mocki « 01 Jul 2020, 18:16
Replies: 1
by Funkychops » 01 Jul 2020, 17:17

Hi all

First post here! Looking forward to getting out in our 1983 air cooled T25.

I've got an issue with my horn. It's not the brass ring that...

1 Replies

78 Views

Last post by Mocki
01 Jul 2020, 18:16
Inner square headlights not working

Last post by davidoft1 « 01 Jul 2020, 11:16
Replies: 3
by Galph » 30 Jun 2020, 19:17

Hi all,

I have a 1986, 1.9 DG Autosleeper.

I have just installed the campervan culture headlight loom upgrade kit as per the youtube video below...

3 Replies

155 Views

Last post by davidoft1
01 Jul 2020, 11:16
Split Charging Problem > Fuse blown

Last post by aknapper « 29 Jun 2020, 11:05
Replies: 7
by aknapper » 17 Jun 2020, 09:12

So last May we got to the campsite only to find that the 075 battery we use as a leisure battery was flat and no charge was going to it :twisted: ....

7 Replies

241 Views

Last post by aknapper
29 Jun 2020, 11:05
Replacing the dashboard plastic PCB

Last post by AngeloEvs « 28 Jun 2020, 21:59
Replies: 408
by MidLifeCrisis » 13 Dec 2013, 13:55
1

…

24

25

26

27

28
I just replaced the plastic PCB on my dashboard broadly following Covkid's instuctions in the Wiki;

I thought the PCB layout that I used might be...
408 Replies

86617 Views

Last post by AngeloEvs
28 Jun 2020, 21:59
Odometer going ten times too fast

Last post by Chromey « 28 Jun 2020, 20:12
Replies: 26
by Chromey » 25 Jun 2020, 09:50
1

2
Hello there.

I have recently bought a 1983 Westfalia Vanagon (LHD) and am having some issues with the odometer/speedometer. The van has a donor...
26 Replies

638 Views

Last post by Chromey
28 Jun 2020, 20:12
huge missfire after about a mile every trip

Last post by Cobra88 « 28 Jun 2020, 12:17

by Cobra88 » 28 Jun 2020, 12:17

Hi All

Been having a bad missfire for a couple of days getting slowly worse every trip.

only just got home today and had to bail on a trip out....

0 Replies

125 Views

Last post by Cobra88
28 Jun 2020, 12:17
Low ignition voltage

Last post by Santa79 « 28 Jun 2020, 10:35

by Santa79 » 28 Jun 2020, 10:35

I've just come to write in my new stereo to the van. I thought I'd look into why the previous owner had wired it in permanently to the starter...

0 Replies

95 Views

Last post by Santa79
28 Jun 2020, 10:35
Wiring for ignition switch on fridge. Pictures please

Last post by MidLifeCrisis « 27 Jun 2020, 13:45
Replies: 4
by Madcatfergus » 18 Jun 2020, 17:13

Hello,
I have stupidly replaced the ignition switch on our Rm 212 without taking a picture of the wiring first. Can anyone take a picture of the...

4 Replies

221 Views

Last post by MidLifeCrisis
27 Jun 2020, 13:45
Radiator fan not kicking in

Last post by Mocki « 27 Jun 2020, 12:40
Replies: 15
by UnsyP » 26 Jun 2020, 10:10
1

2
Please accept my appologies for being a novice, so please also be mindfull of my limited understanding. My radiator fan has recently stopped working....
15 Replies

342 Views

Last post by Mocki
27 Jun 2020, 12:40
RM212 Fridge - Electric Ignition not working

Last post by MidLifeCrisis « 27 Jun 2020, 11:12
Replies: 8
by kimmypw » 23 Jun 2020, 11:55

Hello, i have started experiencing issues with my RM212 3 way fridge.

The fridge is working fine on the mains, however the electric igniter switch...

8 Replies

250 Views

Last post by MidLifeCrisis
27 Jun 2020, 11:12
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

10439 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

94 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

155 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

225 Views

Last post by Mocki
21 Jun 2020, 12:20
Pierburg carb part. 025906333

Last post by maxstu « 21 Jun 2020, 09:03
Replies: 11
by maxstu » 17 May 2020, 18:05

This item comes off a Pierburg carb. It's some sort of a heater.
What does it actually do, and how do l test it off vehicle?
Regards
Stuart

11 Replies

358 Views

Last post by maxstu
21 Jun 2020, 09:03
Repairing the circuit ribbon

Last post by T25boy71 « 19 Jun 2020, 18:53
Replies: 6
by T25boy71 » 17 Jun 2020, 11:59

Greetings
Can the circuit ribbon be repaired? If i can what kind of alchemy is used
I believe the damaged one is the earth

6 Replies

261 Views

Last post by T25boy71
19 Jun 2020, 18:53
1.9 DF: bypass air cut-off solenoid power supply

Last post by DevonAid « 17 Jun 2020, 20:18
Replies: 2
by DevonAid » 15 Jun 2020, 20:43

Attention 1.9 DF owners or wiring diagram experts: Assistance appreciated!

The power supply to the bypass air cut-off solenoid valve on our 1.9 DF...

2 Replies

119 Views

Last post by DevonAid
17 Jun 2020, 20:18
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

227 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

919 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

205 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

262 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

150 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

120 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

527 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

6340 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

95 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

178 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

161 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

1082 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

257 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

160 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

141 Views

Last post by Mocki
06 Jun 2020, 18:19
Replacing the starter battery

Last post by Mocki « 06 Jun 2020, 12:03
Replies: 11
by patrickpawsey » 03 Jun 2020, 13:46

Hi everyone,

I am about to replace the starter battery in our 1990 1.9dg, as it's not holding charge any more (I had to disconnect the manifold...

11 Replies

311 Views

Last post by Mocki
06 Jun 2020, 12:03

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