Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
Battery drained after long ride	ZsZ	Today, 10:50	Once this week	Electrical & Instrumentation
Auxiliary water pump wire	R0B	26 Jul 2025, 20:18	Once this week	Electrical & Instrumentation

Topics

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Last post

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

780 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

1182 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

950 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

1314 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

1523 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

957 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

877 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

3589 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

804 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

984 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

698 Views

Last post by royalengineerfish
19 Jul 2023, 09:05
Pierburg carb part. 025906333

Last post by Boneyt25 « 18 Jul 2023, 21:26
Replies: 13
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

13 Replies

4553 Views

Last post by Boneyt25
18 Jul 2023, 21:26
Coil

Last post by R0B « 16 Jul 2023, 12:45
Replies: 2
by kentishvanman » 14 Jul 2023, 07:22

Just a thought.
Does the coil performance lessen over the years? I look at mine and think 'that must be on the point of giving up'. It is the...

2 Replies

850 Views

Last post by R0B
16 Jul 2023, 12:45
Electrolux RM212

Last post by Rosie n' Jim « 12 Jul 2023, 16:59
Replies: 5
by paganmanwales » 11 Jul 2023, 11:58

I am looking for a wiring diagram for the fridge in the Holdsworth,but the links in the download section don't seem to work? Are they no longer...

5 Replies

990 Views

Last post by Rosie n' Jim
12 Jul 2023, 16:59
radiator fan wiring

Last post by philmcC « 12 Jul 2023, 16:15
Replies: 2
by philmcC » 12 Jul 2023, 15:26

In the middle of replacing the radiator fan on my 2.1 W BX van. Have dropped radiator and removed the cowl . The wiring to the back of the old fan...

2 Replies

805 Views

Last post by philmcC
12 Jul 2023, 16:15
Lithium Batteries in Parallel Unequal Discharge

Last post by LeeME3 « 12 Jul 2023, 07:51
Replies: 4
by LeeME3 » 06 Jul 2023, 13:50

I have 2 Renogy 100Ah lithium batteries wired in parallel to bus bars. They work exactly as I'd expect and give slightly better performance than...

4 Replies

1108 Views

Last post by LeeME3
12 Jul 2023, 07:51
Isolation switch on diesel?

Last post by ZsZ « 11 Jul 2023, 16:31
Replies: 3
by Bryce » 11 Jul 2023, 15:20

I'm looking into fitting a isolation in my jx as it drains the battery (think it's the radio) after a couple of days.
I've got a one on the battery...

3 Replies

806 Views

Last post by ZsZ
11 Jul 2023, 16:31
Confusing wiring

Last post by Robsey « 09 Jul 2023, 13:37
Replies: 4
by AlBundy » 04 Jul 2023, 14:53

Please help, novice DIY electrical work going on. I am currently in process of removing the unnecessary wiring and fuse board / split charge relay,...

4 Replies

961 Views

Last post by Robsey
09 Jul 2023, 13:37
Only getting 12 volts at the split charge relay.

Last post by ZsZ « 07 Jul 2023, 12:12
Replies: 3
by AlBundy » 07 Jul 2023, 08:56

Have tried the wiki and search, but not found (or not understood) if my issue is dealt with.

I have tested the output cable at the split charge...

3 Replies

947 Views

Last post by ZsZ
07 Jul 2023, 12:12
Spark plug gap

Last post by mrhutch « 07 Jul 2023, 09:10
Replies: 3
by kentishvanman » 06 Jul 2023, 09:40

I have it written down somewhere but cannot find it.
Spark plug gap should be?????????? LPG running, 1.9DG, Green label coil.
Seem to remember it is...

3 Replies

794 Views

Last post by mrhutch
07 Jul 2023, 09:10
Sulphur smell after we start up

Last post by silverbullet « 01 Jul 2023, 20:25
Replies: 6
by BobbyOrbit » 29 Jun 2023, 16:29

Hi. A week ago, for no apparent reason, this started happening. We don't think it's the leisure battery as we stuck our noses in to check. Could be...

6 Replies

1085 Views

Last post by silverbullet
01 Jul 2023, 20:25
Alternator Help - VW T25 1983 1.9 Petrol

Last post by tandemsandy « 28 Jun 2023, 18:14
Replies: 2
by leni_kampa » 27 Jun 2023, 09:53

Hi All,
First time posting. My alternator isn't charging my van starting battery. On testing returning 1 or 2 volts back to it when (I think) I'm...

2 Replies

767 Views

Last post by tandemsandy
28 Jun 2023, 18:14
Starter Motor fault or is it?

Last post by djhammy « 27 Jun 2023, 08:35
Replies: 6
by djhammy » 18 Jun 2023, 21:00

Hi hoping you can help or advise. Took the T25 1.9 water cooled to Dorset for a few days on a camp site. We then planned to go onto Bath but after 4...

6 Replies

994 Views

Last post by djhammy
27 Jun 2023, 08:35
Horn shorting with replacement indicator stalk

Last post by jacko1967 « 26 Jun 2023, 20:06
Replies: 3
by ianders » 22 Jun 2023, 17:07

Wondering if it's just a poor quality aftermarket part but I'm having some issues with the horn which has become a corner detector. Seems the slip...

3 Replies

757 Views

Last post by jacko1967
26 Jun 2023, 20:06
OEM ABS - Wiring Diagram and/or Service Manual?

Last post by maxstu « 25 Jun 2023, 08:48
Replies: 5
by ManicGTI » 15 Jun 2023, 13:51

Hi all, my 1990 2wd Van has factory PAS - I've just noticed that the ABS warning light doesn't come on at all.

It wasn't mentioned at MOT last year...

5 Replies

574 Views

Last post by maxstu
25 Jun 2023, 08:48
Westfalia 3 way fridge, water pump and test light not working

Last post by mioba « 24 Jun 2023, 14:11
Replies: 1
by Diesel02 » 06 Jun 2023, 05:59

I have just bought my first VW T25 Vanagon. It's from 1990 and runs like a dream.
Unfortunately, my 3-way refrigerator is not working. The same goes...

1 Replies

485 Views

Last post by mioba
24 Jun 2023, 14:11
Odometer / Speedo cable replacement

Last post by pleasestartnow « 21 Jun 2023, 12:52
Replies: 1
by JoséAhoy » 21 Jun 2023, 11:11

hi folks -

I'm going to attempt to fit a new oddo cable on our van soon as our speedo / odometer stopped working a good few hundred miles ago -...

1 Replies

416 Views

Last post by pleasestartnow
21 Jun 2023, 12:52
Cable size for second 'leisure' battery

Last post by stoneageman « 20 Jun 2023, 20:11
Replies: 12
by sweetaswesty » 03 May 2022, 09:50

I'm going to fit a second 'leisure' battery (so called) in the empty behind seat battery box and connect them in parallel with the live out going...

12 Replies

4957 Views

Last post by stoneageman
20 Jun 2023, 20:11
T25 Central locking fault

Last post by ManicGTI « 19 Jun 2023, 11:11
Replies: 3
by Bison535 » 17 Jun 2023, 14:43

Hi 80/90
My central locking system has stopped working and I need to get it fixed soonest.
I’m in Portsmouth on Monday traveling up to Lowestoft. Can...

3 Replies

544 Views

Last post by ManicGTI
19 Jun 2023, 11:11
temp gauge issue

Last post by Boneyt25 « 18 Jun 2023, 20:18
Replies: 12
by Brismike » 29 Jun 2021, 21:23

hi got a 1.9 watercooled on a 86 temp gauge has never worked so bridged at the thermostate but got nothing so replaced the clocks now bridged gauge...

12 Replies

2353 Views

Last post by Boneyt25
18 Jun 2023, 20:18
Not wrecking the van electrics when upgrading the leisure electrics

Last post by AlBundy « 16 Jun 2023, 13:49
Replies: 5
by AlBundy » 10 Jun 2023, 12:39

Hi everyone,

I have a 1986 t25, LHD bilbo conversion. The electrics are old and have been advised to update them to the Sargent EC155 PSU and...

5 Replies

702 Views

Last post by AlBundy
16 Jun 2023, 13:49
Headlights stopped working on low beam

Last post by Slaydog « 14 Jun 2023, 20:55
Replies: 4
by Slaydog » 08 Jun 2023, 12:33

Hi - I lost my dash lights and low beam the other eve. Checked for blown fuses and considered checking the relay but couldn’t find it. Fuses were...

4 Replies

628 Views

Last post by Slaydog
14 Jun 2023, 20:55
Small bulbs for 1982 van

Last post by AlexDal « 14 Jun 2023, 16:13
Replies: 11
by AlexDal » 31 May 2023, 09:54

My oil light doesnt come on when turning on the ignition so trying to replace the bulb (it's very small with 2 small wires/prongs coming off it)....

11 Replies

1117 Views

Last post by AlexDal
14 Jun 2023, 16:13
Temperature gauge not working

Last post by Welshclimber « 13 Jun 2023, 20:00
Replies: 10
by Welshclimber » 08 Jun 2023, 19:07

Hoping for some help 😅
The last two days the temperature gauge has started moving (it was pretty steady) and then started to drop. Has now dropped to...

10 Replies

838 Views

Last post by Welshclimber
13 Jun 2023, 20:00
RCD Extension Lead on 24v Plug Point - ? Mad?

Last post by clift_d « 12 Jun 2023, 20:46
Replies: 1
by KimKimKim » 12 Jun 2023, 11:02

Hello, I did look in the Tech Archives - but nothing quite answered this question..

...After an electric hook-up - can you use a rcd 2 or maybe a 4...

1 Replies

465 Views

Last post by clift_d
12 Jun 2023, 20:46
Coil switch current rating.

Last post by gutmeg « 10 Jun 2023, 21:29
Replies: 3
by gutmeg » 10 Jun 2023, 20:33

Hi All, hope all fine with you all. A query please I would like to fit a switch to the coil supply cable, to enhance the security to the van.Does...

3 Replies

512 Views

Last post by gutmeg
10 Jun 2023, 21:29
Radiator fan not going off

Last post by Mocki « 10 Jun 2023, 21:24
Replies: 10
by Madgooner23 » 06 Jun 2023, 12:50

This seems to be an annual problem for me. Have a 1.9 diesel, first run out in the sun this weekend, fan won’t go off. Changed the thermo switch, no...

10 Replies

1045 Views

Last post by Mocki
10 Jun 2023, 21:24
Heater Motor fan not working. Quick fix

Last post by jrt « 05 Jun 2023, 20:39
Replies: 6
by Marine Engineer » 05 Jun 2023, 12:37

The heater fan stopped working on our T3 / 25 camper. I was advised it was a dashboard out and major strip down. This did not appeal on an old...

6 Replies

729 Views

Last post by jrt
05 Jun 2023, 20:39
Phillips radio

Last post by Robsey « 05 Jun 2023, 06:31
Replies: 2
by Oxford_Blue » 04 Jun 2023, 22:57

Hi all,

I have an old radio in the back of my van like this. First question, what do all the mlu buttons do? Assume medium/long wave etc but why are...

2 Replies

402 Views

Last post by Robsey
05 Jun 2023, 06:31
Ignition timing marks

Last post by sump « 03 Jun 2023, 09:31
Replies: 8
by sump » 27 May 2023, 11:07

Hi all,

I now have the DG running and it is sounding promising :ok

One question though! Putting the timing light on it yesterday and the timing...

8 Replies

741 Views

Last post by sump
03 Jun 2023, 09:31
Do gauge oil pressure

Last post by southernscouse « 03 Jun 2023, 09:18

by southernscouse » 03 Jun 2023, 09:18

Like a lot of others I have a couple of the Vdo gauges from a golf or Audi can someone recommend a sender unit for the oil pressure I know brickwork...

0 Replies

38541 Views

Last post by southernscouse
03 Jun 2023, 09:18
Ignition fault

Last post by MPORTO « 01 Jun 2023, 15:43
Replies: 1
by MPORTO » 26 May 2023, 16:08

Hello,

I'm new, not long bought a 1981 t25 2l air cooled. I have a weird fault, with the ignition on I could hear a clicking sound. I traced that...

1 Replies

405 Views

Last post by MPORTO
01 Jun 2023, 15:43
Alternator Voltage Regulator - for the win!

Last post by ZsZ « 30 May 2023, 04:39
Replies: 3
by ELVIS » 29 May 2023, 20:58

Fitted a new voltage regulator today on my tdi. Paid the grand sum of £12.24 for a febi one. Was 14.5 volt one and not 14v.

Was so excited I didn’t...

3 Replies

848 Views

Last post by ZsZ
30 May 2023, 04:39
Oil pressure switch connections?

Last post by sump « 26 May 2023, 18:47
Replies: 6
by sump » 13 May 2023, 11:10

Hi.

Well Just connected everything back up after the engine swap and fitted the heat shield as recommended :oops:

Now we come to the wiring so I...

6 Replies

679 Views

Last post by sump
26 May 2023, 18:47
Rear heater fan not working in T3

Last post by Joe Wright « 25 May 2023, 20:55
Replies: 2
by Joe Wright » 25 May 2023, 12:57

Hello all. I have a T3 with a heater under the rear seats and a heater fan control dial on the dash. The fan isn't working. Fuse is fine. Broken...

2 Replies

394 Views

Last post by Joe Wright
25 May 2023, 20:55
Go westy hook up box connection issues!

Last post by ElevenSpots « 24 May 2023, 21:10
Replies: 3
by ElevenSpots » 23 May 2023, 22:18

Hi - help needed, pulling hair out.

Fixing up a westfalia t25 van -added new panels and cut holes for matching go westy electric, water and solar...

3 Replies

390 Views

Last post by ElevenSpots
24 May 2023, 21:10
Water temperature gauge and oil pressure switch

Last post by sump « 24 May 2023, 07:13
Replies: 4
by sump » 23 May 2023, 18:48

Puzzling over which wire goes where on my DG 1.9 engine. We took photo's of where each wire went and put them back as removed from the earlier engine...

4 Replies

463 Views

Last post by sump
24 May 2023, 07:13
oil pressure light on dash

Last post by gutmeg « 23 May 2023, 18:56
Replies: 19
by gutmeg » 04 May 2023, 17:52
1

2
1.9 petrol Holdworth villa 3 1984

HI all hope you all enjoy your bank holiday weekend. I would like some advice please . Van was laid up for winter...
19 Replies

3481 Views

Last post by gutmeg
23 May 2023, 18:56
Starter motor carbon brushes.

Last post by simonmarsh « 23 May 2023, 09:45
Replies: 3
by maxstu » 29 Jul 2019, 23:21

My local supplier in Margate has retired. Tried other venues but they want to rebuild for me and not supply parts. Anyone know of an old fashion shop...

3 Replies

1359 Views

Last post by simonmarsh
23 May 2023, 09:45
Water level sensor

Last post by AngeloEvs « 22 May 2023, 17:43
Replies: 6
by southernscouse » 19 May 2023, 12:04

Hi the red light is constantly flashing if I bridge the connection at the tank sensor it stops if I then turn off the ignition and start again light...

6 Replies

648 Views

Last post by AngeloEvs
22 May 2023, 17:43

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