Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
Dashboard PCB Replacement (CJH Design)	The Hairy Camper	11 Apr 2026, 12:29	Once this week	Electrical & Instrumentation
Dashboard PCB Replacement (CJH Design)	Aidan	11 Apr 2026, 07:09	Once this week	Electrical & Instrumentation

Topics

Replies

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Last post

Non VW electrics question. 32amps split to two 16amps

Last post by maxstu « 20 Feb 2018, 17:56
Replies: 11
by maxstu » 19 Feb 2018, 19:04

I hope someone can help please.

We have two outbuildings supplied by a 63amps metered mains supply going to two individually fused Lewden 3 pin...

11 Replies

3016 Views

Last post by maxstu
20 Feb 2018, 17:56
Internal lights from leisure battery?

Last post by 937carrera « 20 Feb 2018, 17:31
Replies: 19
by Westy123 » 13 Feb 2018, 12:35
1

2
Apologies if this has been raised elsewhere. I have a 1986 Westy, and want to run the internal lights from the leisure battery rather than the...
19 Replies

9017 Views

Last post by 937carrera
20 Feb 2018, 17:31
Manifold Heater problem. 1.9 WBX early

Last post by VWKat « 20 Feb 2018, 12:54
Replies: 17
by VWKat » 15 Feb 2018, 15:21
1

2
Hello,

Back again. New day, new problem.

It started out with a small voltage drop, then I couldn't start my van and there was a large voltage...
17 Replies

6345 Views

Last post by VWKat
20 Feb 2018, 12:54
Westfalia 1983 Eletrical questions

Last post by Edwin1983 « 18 Feb 2018, 13:58
Replies: 3
by Edwin1983 » 11 Feb 2018, 22:20

Hello all , can anyone help with the following ?

I’m trying to find out how to rewire the van to make the interior lights run off the leisure...

3 Replies

1814 Views

Last post by Edwin1983
18 Feb 2018, 13:58
Radio Aerial (Part 2)

Last post by kentishvanman « 18 Feb 2018, 13:39
Replies: 2
by kentishvanman » 17 Feb 2018, 18:16

Hi,
Re my earlier post about fitting an internal aerial cos external one gets in the way of the screen cover.
Problem solved. External type pillar...

2 Replies

1332 Views

Last post by kentishvanman
18 Feb 2018, 13:39
Temperature sensors

Last post by trundletruc « 17 Feb 2018, 20:34
Replies: 2
by trundletruc » 16 Feb 2018, 12:11

I am changing my early cooling system DG 1984 to the later one with the thermostat at the front of the engine (1986ish). I will be using the Pierberg...

2 Replies

1275 Views

Last post by trundletruc
17 Feb 2018, 20:34
Recommendations for JT terminal crimp tool

Last post by adie89 « 16 Feb 2018, 21:55
Replies: 4
by silverbullet » 25 Jan 2018, 20:25

Not after the cheapest (or the flashiest!)

What does the job consistently and is made to last?

I need to re-pin the Temp 2 sender plug to eliminate...

4 Replies

1467 Views

Last post by adie89
16 Feb 2018, 21:55
Well done WIki

Last post by CovKid « 16 Feb 2018, 16:36
Replies: 1
by Mr Bean » 14 Feb 2018, 18:02

Some time ago I was able to undertake the intermittent windscreen wiper mod with the aid of info from the Wiki. A couple of weeks ago my three...

1 Replies

1215 Views

Last post by CovKid
16 Feb 2018, 16:36
Aircooled Engine, Diesel Instruments. DOPS.

Last post by Andyroo « 14 Feb 2018, 20:45
Replies: 30
by Andyroo » 04 Feb 2018, 18:14
1

2

3
I have a 2ltr air cooled engine on my 1982 van and at sometime in it's life it's been fitted with an instrument cluster from a diesel.
No idea when...
30 Replies

9095 Views

Last post by Andyroo
14 Feb 2018, 20:45
Battery charging

Last post by bigbadbob76 « 14 Feb 2018, 15:24
Replies: 15
by TONYT25T25 » 03 Dec 2017, 11:23
1

2
Is it ok to leave a battery connected whilst trickle charging from a charger. The charger generates about 12.v volts but cannot see how this would...
15 Replies

7526 Views

Last post by bigbadbob76
14 Feb 2018, 15:24
coolant warning light

Last post by Rodney Hopalong « 14 Feb 2018, 13:32
Replies: 2
by Rodney Hopalong » 14 Feb 2018, 11:19

Hello I was just reading an earlier thread about the coolant warning light and flashing and realized I don't have any light working under the...

2 Replies

1511 Views

Last post by Rodney Hopalong
14 Feb 2018, 13:32
Instrument cluster wiring issues.

Last post by 123-jn « 12 Feb 2018, 22:39
Replies: 3
by 123-jn » 13 Jan 2018, 20:36

Recently my instrument cluster has been giving a bit of grief. I read an excellent article on the Wiki by Covkid and Ghost and decided to make the...

3 Replies

3133 Views

Last post by 123-jn
12 Feb 2018, 22:39
Coolant Tempertiure Light.

Last post by MidLifeCrisis « 12 Feb 2018, 13:46
Replies: 5
by gtrbikeman » 11 Feb 2018, 12:33

Hi Any ideas on this.....The coolant temperture light flashes as normal when ignition turned on but when engine started wont go off till ive re...

5 Replies

2519 Views

Last post by MidLifeCrisis
12 Feb 2018, 13:46
Starting issue

Last post by Aidan « 11 Feb 2018, 10:18
Replies: 7
by Moaninglisa » 23 Jan 2018, 21:55

My 84 1.9 DG WBX with not fire. It turns over fine. There is no power getting to the coil. I have tried putting a live straight to the coil but still...

7 Replies

2851 Views

Last post by Aidan
11 Feb 2018, 10:18
Oil Light NOT flashing at start-up

Last post by hightop ratty « 09 Feb 2018, 19:11
Replies: 15
by chris7ian » 26 Jun 2017, 12:32
1

2
The 'test' oil light flash before start-up ,with the key in the first position, doesn't always flash.

Sometimes it operates as expected, other...
15 Replies

6586 Views

Last post by hightop ratty
09 Feb 2018, 19:11
What is this?

Last post by rightsideup « 09 Feb 2018, 13:52
Replies: 7
by rightsideup » 09 Feb 2018, 11:41

I've got my dash off for the dreaded heater fan replacement and plan to tidy up the rats nest of aftermarket wiring while I'm in there. I found this...

7 Replies

2506 Views

Last post by rightsideup
09 Feb 2018, 13:52
Central locking questions

Last post by 35i-VR6 « 07 Feb 2018, 15:46
Replies: 3
by 35i-VR6 » 02 Feb 2018, 20:28

So I've bought a genuine central locking kit, the loom seams to be in 4 parts

My first question is where does the main loom run, ie the long one...

3 Replies

2322 Views

Last post by 35i-VR6
07 Feb 2018, 15:46
Heater motor and dashboard :-(

Last post by LL435 « 07 Feb 2018, 10:15
Replies: 8
by LL435 » 06 Feb 2018, 15:23

Hi, after a long time not using the van, we had some work done to get it up and running as it wouldn't start. It's now working & MOT'd (hooray) and...

8 Replies

2922 Views

Last post by LL435
07 Feb 2018, 10:15
What Size Inverter For Projector?

Last post by Mr Bean « 07 Feb 2018, 08:26
Replies: 12
by TheDocmeister » 05 Dec 2017, 10:07

I'm going to fit a mini projector and screen in our van to give big screen movie or PS2 action on longer journeys :ok

Now I know there are 12v...

12 Replies

5680 Views

Last post by Mr Bean
07 Feb 2018, 08:26
maestro headlights fitted to t25

Last post by happy van « 05 Feb 2018, 21:05
Replies: 2
by happy van » 05 Feb 2018, 20:38

im sure its been covered before but I can not find it.can anyone give me some pointers on how to fit them thanks.

2 Replies

1546 Views

Last post by happy van
05 Feb 2018, 21:05
Headlights MOT failure

Last post by slowcoach « 02 Feb 2018, 18:14
Replies: 13
by tamson » 05 Oct 2017, 11:48

Hi, my van (1982 T25) just failed its mot - fortunately only minor issues. However one of the fails was the direction of headlight beam. I replaced...

13 Replies

4729 Views

Last post by slowcoach
02 Feb 2018, 18:14
Distributor cap identification

Last post by shrig1969 « 02 Feb 2018, 08:37
Replies: 7
by shrig1969 » 31 Jan 2018, 08:58

Could someone shed some light on the description of this please.....
Euro car parts are offering a JP Group distributor cap against my REG number....

7 Replies

2258 Views

Last post by shrig1969
02 Feb 2018, 08:37
New Number Plate Lamps

Last post by The Hairy Camper « 01 Feb 2018, 17:40
Replies: 4
by The Hairy Camper » 01 Feb 2018, 13:16

Hi people, the connections in my number plate lamps are pretty worn and only work when they want to (or you give them a light thump).
I've had an...

4 Replies

1464 Views

Last post by The Hairy Camper
01 Feb 2018, 17:40
Another Headlight Loom Post

Last post by crazyhorse « 29 Jan 2018, 15:52
Replies: 1
by Born Too Late » 29 Jan 2018, 12:48

Typically, almost immediately after buying a Boomslang loom from Paddock, I found this on ebay:

onclick= window.open(this.href);return false;

Bit...

1 Replies

1071 Views

Last post by crazyhorse
29 Jan 2018, 15:52
Crimpers

Last post by CovKid « 27 Jan 2018, 21:42
Replies: 27
by ninja.turtle007 » 20 Jan 2018, 19:51
1

2
I need a decent pair of ratchet crimpers for insulated terminals. The cheapo pair I currently have don't squeeze the terminal properly, which results...
27 Replies

8355 Views

Last post by CovKid
27 Jan 2018, 21:42
split charge cable size.

Last post by bigherb « 25 Jan 2018, 07:06
Replies: 1
by dbz864 » 24 Jan 2018, 18:41

Hi, What size cable do folk normally fit to the split charge relays, i was always led to believe it was 2.5mm , partly due to the fact i thought most...

1 Replies

1001 Views

Last post by bigherb
25 Jan 2018, 07:06
DC ammerter

Last post by bigherb « 25 Jan 2018, 07:00
Replies: 1
by jas915 » 24 Jan 2018, 21:00

Hi looking to buy a DC clamp ammeter, anyone suggest a good budget one, need to go up to maybe 100amps.
Thanks jason

1 Replies

949 Views

Last post by bigherb
25 Jan 2018, 07:00
Strange going’s on....

Last post by Robjackson « 23 Jan 2018, 16:21
Replies: 4
by Robjackson » 22 Jan 2018, 22:05

Well there’s something strange going on...

I’ll give you a full run down even though I’m sure most of it will be irrelevant.

Firstly, vehicle...

4 Replies

1499 Views

Last post by Robjackson
23 Jan 2018, 16:21
Radio Aerials

Last post by AngeloEvs « 20 Jan 2018, 23:40
Replies: 1
by kentishvanman » 20 Jan 2018, 22:26

Has anyone come across or used an internal aerial for a AM/FM radio?
My current pillar aerial gets in the way of the screen cover. I could fit a...

1 Replies

813 Views

Last post by AngeloEvs
20 Jan 2018, 23:40
installing solar power in a westy

Last post by danmetallic « 17 Jan 2018, 20:37
Replies: 311
by Westy End » 16 Feb 2014, 22:37
1

…

17

18

19

20

21
All,

thought I would put down for the benefit of others what progress I have made on this project - with thanks to printmonkey for his thread...
311 Replies

192526 Views

Last post by danmetallic
17 Jan 2018, 20:37
voltage stabilizer

Last post by AngeloEvs « 17 Jan 2018, 20:31
Replies: 6
by Hugo1988 » 02 Jan 2018, 15:32

I have purchased a 1988 T25 camper van . In June last year. I have just replace the engine but find the engine runners at 3/4 on the temperature...

6 Replies

4146 Views

Last post by AngeloEvs
17 Jan 2018, 20:31
Leisure or engine battery?

Last post by ytnom « 17 Jan 2018, 18:30
Replies: 2
by ytnom » 17 Jan 2018, 14:28

Hi folks I'm trying to determine if the batteries I have are right for the job.
Under the drivers seat is a hoppecke 12v 66ah 510a duplex plus with a...

2 Replies

1251 Views

Last post by ytnom
17 Jan 2018, 18:30
Having bother with alternator

Last post by dave friday « 16 Jan 2018, 08:31
Replies: 9
by sandancer » 05 Jan 2018, 18:46

Hi can someone please put the wiring diagram for 16d t25 thanks

9 Replies

2870 Views

Last post by dave friday
16 Jan 2018, 08:31
Only had my van over 10 years and I cant remember

Last post by Oldiebut goodie « 15 Jan 2018, 17:22
Replies: 6
by zenecho » 15 Jan 2018, 13:36

Ok, may be a stupid moment - well I am getting over the flu I had at the new year.

My indicators dont switch off after I go round corners. I'm...

6 Replies

2596 Views

Last post by Oldiebut goodie
15 Jan 2018, 17:22
Split charge relay - fuse blows

Last post by 937carrera « 14 Jan 2018, 11:46
Replies: 15
by adrianbutter » 07 Jan 2018, 21:19
1

2
The fuse blows on my SPlit charge relay too often, and especially when I drive with a load attached - like a camping fridge plugged in to the Aux...
15 Replies

6476 Views

Last post by 937carrera
14 Jan 2018, 11:46
Starting sequence?

Last post by skysurfin09 « 05 Jan 2018, 17:57
Replies: 12
by skysurfin09 » 26 Dec 2017, 21:18

What tells the fuel injection system to switch to idle mode after initially firing on turn of the key. I'm trying to fault find this starting problem...

12 Replies

5488 Views

Last post by skysurfin09
05 Jan 2018, 17:57
Melted headlight relays.. protect them!

Last post by crazyhorse « 05 Jan 2018, 15:12
Replies: 12
by slowcoach » 28 Sep 2017, 18:48

I lost my dipped beams the other night, so had to scoot home with the side lights - luckily not far from home this time.
Today i went in to...

12 Replies

3874 Views

Last post by crazyhorse
05 Jan 2018, 15:12
Hazard lights at 50%!

Last post by Gary. « 03 Jan 2018, 12:36
Replies: 3
by bootie3367 » 28 Jan 2017, 12:14

Had a search in the tech archives and on wiki but nothing like my problem.
Indicators function 100% however the hazards only work the passenger side...

3 Replies

1907 Views

Last post by Gary.
03 Jan 2018, 12:36
Reversing sensor part number

Last post by multisi « 01 Jan 2018, 12:29
Replies: 1
by Stovies » 01 Jan 2018, 12:21

Hi all. Looking for the part number for my camper. It has the original gear box and has only a plug in it where the reversing sensor should be. I'm...

1 Replies

946 Views

Last post by multisi
01 Jan 2018, 12:29
Headlight Loom Upgrade

Last post by crazyhorse « 30 Dec 2017, 13:03
Replies: 67
by volks_womble » 14 Nov 2014, 09:11
1

2

3

4

5
Just a thought, but I saw this ready made loom kit to give you relays on your Headlights:

I know it is designed for Land Rovers, but I would have...
67 Replies

48383 Views

Last post by crazyhorse
30 Dec 2017, 13:03
Starts then stops......

Last post by skysurfin09 « 28 Dec 2017, 22:59
Replies: 15
by skysurfin09 » 19 Dec 2017, 20:30
1

2
Attended the fantastic Christmas party up Norff. Doris starts to play up, cutting out and finally stopping and then magically starting again. Enough...
15 Replies

7969 Views

Last post by skysurfin09
28 Dec 2017, 22:59
brake lights flicker

Last post by islandboy « 28 Dec 2017, 10:01
Replies: 6
by islandboy » 20 Dec 2017, 19:31

My mate was following me home and dutifully informed that both brake lights were flickering when brakes applied.

Is there a common earth crown for...

6 Replies

2537 Views

Last post by islandboy
28 Dec 2017, 10:01
Square headlights

Last post by bat « 26 Dec 2017, 16:05
Replies: 11
by itchyfeet » 11 Nov 2017, 09:18

dunno if this is old news don't have them myself but I saw this posted and thought I'd share on here
now available reproduction from coolair ( well...

11 Replies

3476 Views

Last post by bat
26 Dec 2017, 16:05
Oil light will you ever go away

Last post by sarahandthebear « 23 Dec 2017, 14:29
Replies: 2
by sarahandthebear » 23 Dec 2017, 11:42

So we thought our oil light problem was fixed after replacing a part of the wire from the oil switch to the engine bay it had very bad black rot. The...

2 Replies

1347 Views

Last post by sarahandthebear
23 Dec 2017, 14:29
Bosch green coil

Last post by jimrat « 21 Dec 2017, 13:02
Replies: 16
by jimrat » 30 Nov 2017, 18:35
1

2
Hi

Got a poorly van at the moment - stalling and sudden loss of power. I've got a weak yellow spark at the plugs.

When I measured primary/secondary...
16 Replies

6946 Views

Last post by jimrat
21 Dec 2017, 13:02
Oil light fix

Last post by sarahandthebear « 21 Dec 2017, 11:16

by sarahandthebear » 21 Dec 2017, 11:16

So we have just fixed a fault with our oil light and I thought I would explain how we fixed it so that others with this problem can do the same....

0 Replies

2130 Views

Last post by sarahandthebear
21 Dec 2017, 11:16
unknown cable

Last post by California Dreamin « 19 Dec 2017, 22:56
Replies: 4
by t25-83-MARSHALL » 18 Dec 2017, 15:09

Hi.
Please click on link below, this will show you a photo of typical t25 engine bay.
In the top right hand corner is a cable with a large rubber...

4 Replies

2649 Views

Last post by California Dreamin
19 Dec 2017, 22:56
Temp Gauge... Now reading too Hot

Last post by crazyhorse « 13 Dec 2017, 18:50
Replies: 9
by crazyhorse » 08 Dec 2017, 17:04

Hi all,

Im not too worried about this, or should I be.

IMG_2902 by Crazy Horse , on Flickr

After changing thermostat last week, with the gauge...

9 Replies

5243 Views

Last post by crazyhorse
13 Dec 2017, 18:50
Starter Cable

Last post by CovKid « 12 Dec 2017, 06:47
Replies: 14
by Sir Brixalot » 08 Dec 2017, 09:15

Brand new strong battery but volts drop below 11 when starting so the must be Resistance somewhere. Before doing starter which was good when I fitted...

14 Replies

3748 Views

Last post by CovKid
12 Dec 2017, 06:47
Relay draining both batteries...

Last post by Dhammadad « 10 Dec 2017, 17:34
Replies: 7
by Dhammadad » 07 Dec 2017, 20:48

I wonder if you can clarify something. I had cause to go in my van earlier and both batteries are drained. Has to have something to do with the...

7 Replies

2870 Views

Last post by Dhammadad
10 Dec 2017, 17:34

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