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
Ignition coil options?	silverbullet	13 Feb 2026, 12:39	Once this week	Electrical & Instrumentation

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Last post

Relay query

Last post by clift_d « 12 Sep 2016, 08:42
Replies: 8
by sandancer » 08 Sep 2016, 18:08

Regarding the leisure battery relay, i saw a thread saying the numbers on the relay are 30 85 86 87, the only relay I have has 30 85 86 87 and 87a,...

8 Replies

3645 Views

Last post by clift_d
12 Sep 2016, 08:42
Haynes manual wiring help.

Last post by Hoopy_Frood « 12 Sep 2016, 08:26
Replies: 2
by Hoopy_Frood » 12 Sep 2016, 07:45

I've managed to cook one of the wires going into the ignition switch. It's black, 1.5mm and goes to connection 15 on the switch.
I think I shorted...

2 Replies

886 Views

Last post by Hoopy_Frood
12 Sep 2016, 08:26
Ignition wiring and inhibitor switch

Last post by Sir Brixalot « 11 Sep 2016, 12:00
Replies: 2
by Sir Brixalot » 10 Sep 2016, 19:38

Hi all, my intermittent starting problems have got worse and I can't start it. As I think its electrical I'm starting a thread here to try and start...

2 Replies

989 Views

Last post by Sir Brixalot
11 Sep 2016, 12:00
Starter Motor Wire Guage

Last post by CovKid « 11 Sep 2016, 04:40
Replies: 3
by ArvonW » 10 Sep 2016, 11:56

Hi All,

I want to replace the wire from the relay to the starter motor.

my question is what guage wire do i need to buy.

the current one is...

3 Replies

1149 Views

Last post by CovKid
11 Sep 2016, 04:40
Radiator fan and Fusebox questions.

Last post by davegsm82 « 10 Sep 2016, 15:03
Replies: 8
by davegsm82 » 08 Sep 2016, 16:27

I realised the other day that I've never heard my radiator fan and thought I'd investigate.

Looking at the wiring diagrams from Syncroandy's website...

8 Replies

2887 Views

Last post by davegsm82
10 Sep 2016, 15:03
Glow plug light and now SMOKE from the terminal

Last post by GipsyKing « 08 Sep 2016, 13:42
Replies: 2
by GipsyKing » 08 Sep 2016, 09:03

Please help! LOL....

Having had no problems at all starting my T3, in fact it starts far better than my TDi Focus! I noticed when I parked in the...

2 Replies

1104 Views

Last post by GipsyKing
08 Sep 2016, 13:42
daft rm184 fridge question ?

Last post by California Dreamin « 07 Sep 2016, 09:39
Replies: 5
by Big Boris » 31 Aug 2016, 19:12

Hi all,
just wanted to know when you push the button in for either elec/gas/12v does the button stay in ?on mine i push it in and it comes back out...

5 Replies

2422 Views

Last post by California Dreamin
07 Sep 2016, 09:39
Cab door speakers

Last post by weegaz22 « 07 Sep 2016, 06:31
Replies: 1
by ninja.turtle007 » 04 Sep 2016, 14:05

One of my cab door speakers had started to make a bit of a crackle. They look like they are original. I'm looking for suggestions on what to replace...

1 Replies

1102 Views

Last post by weegaz22
07 Sep 2016, 06:31
Intermittent wiper

Last post by sandancer « 06 Sep 2016, 22:36
Replies: 5
by sandancer » 05 Sep 2016, 20:17

Hello I have a 1981 1.6d T3
I would like the intermittent window wiper, I have removed the little white clip in the stalk, I have read about putting...

5 Replies

2811 Views

Last post by sandancer
06 Sep 2016, 22:36
ULO rear light

Last post by Billleivers « 06 Sep 2016, 21:58
Replies: 3
by Billleivers » 06 Sep 2016, 12:16

Managed to hole the near side rear light assembly on trip to Holland.
Unfortunately it's a ULO unit which doesn't seem to be available new any more....

3 Replies

1638 Views

Last post by Billleivers
06 Sep 2016, 21:58
Volt meter?

Last post by California Dreamin « 06 Sep 2016, 12:20
Replies: 2
by Da dan » 05 Sep 2016, 18:42

What do I fit to monitor what is left in the leisure battery? Is it a volt or amps meter? I fitted a volt meter but I know it's 12 volts. Thanking...

2 Replies

1142 Views

Last post by California Dreamin
06 Sep 2016, 12:20
Earths checking

Last post by Oldiebut goodie « 06 Sep 2016, 07:54
Replies: 9
by Oldiebut goodie » 02 Sep 2016, 20:23

I had been having main beam tell tale glowing when on dipped lights and also the flasher one was doing it all the time, I knew it would be an...

9 Replies

3517 Views

Last post by Oldiebut goodie
06 Sep 2016, 07:54
Non VW.Van stereo

Last post by ghost123uk « 06 Sep 2016, 06:31
Replies: 7
by R0B » 05 Sep 2016, 12:54

If I turn it up,at a certain point it cuts out.Any ideas what might be causing this?

7 Replies

2216 Views

Last post by ghost123uk
06 Sep 2016, 06:31
Dash lights question

Last post by CovKid « 04 Sep 2016, 20:19
Replies: 9
by Ant-t » 04 Sep 2016, 11:05

Has anyone carried out an upgrade for theyre dash lights? My standard bulbs are so dim that I can't read my clocks going under trees etc, I'm looking...

9 Replies

3663 Views

Last post by CovKid
04 Sep 2016, 20:19
Lesiure Battery Locations?

Last post by irishkeet « 04 Sep 2016, 07:40
Replies: 6
by irishkeet » 03 Sep 2016, 19:36

Hello

So Im planning my interior, the van is currently completely empty so I can run cables easily. I have a westy interior to fit.

Starter is...

6 Replies

2992 Views

Last post by irishkeet
04 Sep 2016, 07:40
Head Unit to Leisure Battery issues

Last post by crazymilk « 03 Sep 2016, 13:08
Replies: 7
by crazymilk » 01 Sep 2016, 14:47

I have an aftermarket head unit in my T25 along with 2 x amps 2 x 6x9's and 1 x 10 Sub

I have a leisure battery hooked up to the main ignition...

7 Replies

3097 Views

Last post by crazymilk
03 Sep 2016, 13:08
Wiring diagram for Webasto BBW 46

Last post by Oldiebut goodie « 03 Sep 2016, 12:40
Replies: 3
by silverbullet » 03 Sep 2016, 10:00

I aquired on of these ages ago and it sat in a box, really need to sort it out!

It came out of a late-ish multivan, it has the mounting bracket and...

3 Replies

2216 Views

Last post by Oldiebut goodie
03 Sep 2016, 12:40
Help understanding wiring diagram

Last post by timski « 03 Sep 2016, 08:12
Replies: 7
by timski » 29 Jul 2016, 17:07

Hi Guys,

I've been trying to figure out what is the right fuse to buy whilst referring to the wiring diagram that came with the Autosleeper manual....

7 Replies

2702 Views

Last post by timski
03 Sep 2016, 08:12
Dash light repair

Last post by CovKid « 01 Sep 2016, 12:33
Replies: 3
by kit » 19 Aug 2016, 12:14

Hi I have given up on the intermittent dashboard illumination and with winter approaching I decided to get the Brickwerks replacement lamp holders,...

3 Replies

1316 Views

Last post by CovKid
01 Sep 2016, 12:33
Solar controllers

Last post by slowcoach « 01 Sep 2016, 07:36
Replies: 11
by Ant-t » 27 Aug 2016, 09:02

A bit of advice please, I'm looking at getting my solar setup going, my van has very low power requirements and cabling in place. So I want to source...

11 Replies

4130 Views

Last post by slowcoach
01 Sep 2016, 07:36
2.1 dj blowing ignition module

Last post by stevealex « 31 Aug 2016, 13:55
Replies: 6
by stevealex » 30 Aug 2016, 22:41

Hi All

I'm having problems with failing ignition modules (the amplifier or TCI as they are called) on a 2.1 dj. I am now on my third failed unit, so...

6 Replies

2497 Views

Last post by stevealex
31 Aug 2016, 13:55
Horns stopped working

Last post by Emma&Al « 31 Aug 2016, 09:05
Replies: 3
by Emma&Al » 31 Aug 2016, 08:53

Hello all!

My horn has stopped working! I've checked the fuse and that seems ok.
Any other ideas?
Thanks all :)

3 Replies

2355 Views

Last post by Emma&Al
31 Aug 2016, 09:05
Problems accessing the leisure battery

Last post by AdrianC « 30 Aug 2016, 16:32
Replies: 5
by MrRoberto » 25 Aug 2016, 19:38

Hi,

I've just bought my first T25.

So far so good, except I can't access the leisure battery.

It's located under the drivers seat, but the seat...

5 Replies

3201 Views

Last post by AdrianC
30 Aug 2016, 16:32
leisure battery wiring options

Last post by wolfbus.uk « 30 Aug 2016, 10:13
Replies: 4
by wolfbus.uk » 28 Aug 2016, 08:44

Hit a slight snag with camper electrics. The recommended wire from the 160amp sterling via 200amp shunt / fuse / master switch on to leisure battery...

4 Replies

1522 Views

Last post by wolfbus.uk
30 Aug 2016, 10:13
High powered Pump / Hose

Last post by CovKid « 29 Aug 2016, 19:19
Replies: 3
by bmouthboyo » 14 Aug 2016, 05:32

Looking at the possibility of upgrading or adding a second fresh water pump in our Autosleeper Trooper.

We are in the process of restoring the...

3 Replies

1258 Views

Last post by CovKid
29 Aug 2016, 19:19
Wiring down nearside A pillar

Last post by Mocki « 29 Aug 2016, 19:10
Replies: 3
by mike9009 » 27 Aug 2016, 09:17

Hi

I am wanting to install some small speakers in the rear of my camper - so the kids can hear rather than cranking the volume up at the front!

The...

3 Replies

1638 Views

Last post by Mocki
29 Aug 2016, 19:10
Main beam duller than dipped headlights

Last post by syncroandy « 29 Aug 2016, 17:59
Replies: 13
by timski » 27 Aug 2016, 21:35

Hi there,

Suddenly my main beam is duller than my dipped beam. They are so dull a pair of candles would be better!

Also the high beam won't stay...

13 Replies

3783 Views

Last post by syncroandy
29 Aug 2016, 17:59
how to wire up a water level indicator that bypasses the rel

Last post by smokeyjon « 26 Aug 2016, 20:31
Replies: 15
by Martin Cooper » 13 Jun 2016, 16:58
1

2
I want to find out if I can wire up something to act as the water level indicator that bypasses the relay 43. The temperature gauge works but after...
15 Replies

8025 Views

Last post by smokeyjon
26 Aug 2016, 20:31
alternator

Last post by Big Boris « 25 Aug 2016, 14:59
Replies: 4
by Big Boris » 24 Aug 2016, 19:34

Hi all ,
can someone tell me how you tell if your alternator is 65 amp or 90 amp please

4 Replies

1833 Views

Last post by Big Boris
25 Aug 2016, 14:59
Engine died T25 1990 petrol water-cooled

Last post by whitebob « 25 Aug 2016, 11:59
Replies: 4
by whitebob » 18 Aug 2016, 17:42

The engine was running OK, then just died. Petrol OK and reaching carburettor, but no spark. Dizzy cap, rotor arm, plug leads, plugs have all been...

4 Replies

1805 Views

Last post by whitebob
25 Aug 2016, 11:59
Is my split charge relay adequate?

Last post by kevtherev « 23 Aug 2016, 20:53
Replies: 6
by Born Too Late » 22 Aug 2016, 11:50

Hi

the wiring connecting my batteries to the split charge relay was pretty shoddy (no fuse on the leisure battery, 20 amp fuse holder with 25 amp...

6 Replies

3612 Views

Last post by kevtherev
23 Aug 2016, 20:53
Relay issue on Radiator Fan High Speed.

Last post by bigherb « 23 Aug 2016, 17:35
Replies: 15
by nrgsmith » 19 Aug 2015, 15:47
1

2
1990 1.6TD

I have been trying to work out why the Van is getting hot on long steep hills.
I cannot get my Radiator fan to work on High speed - it...
15 Replies

11597 Views

Last post by bigherb
23 Aug 2016, 17:35
Solar panel

Last post by nordberg « 22 Aug 2016, 19:43
Replies: 15
by Karen&co » 20 Aug 2016, 07:38
1

2
Hello, We're thinking of getting a solar panel for our van to use when there's no electric hookup.

Can anyone recommend one or have pro's or con's...
15 Replies

7396 Views

Last post by nordberg
22 Aug 2016, 19:43
Which battery is which?

Last post by AdrianC « 22 Aug 2016, 09:56
Replies: 5
by Jimmy659 » 09 Aug 2016, 15:05

Hi,

I'm an electrical biff so please bear with me here.

I'm having a wiring faff with my T25 Autohomes Komet (RH Drive) and trying to figure out...

5 Replies

3579 Views

Last post by AdrianC
22 Aug 2016, 09:56
Convert twin square headlight back to single round

Last post by a1winchester « 22 Aug 2016, 07:40
Replies: 24
by Roffy » 04 Sep 2010, 20:55
1

2
Hi, Ive recently purchased a twin square headlight van and looking to restore it back to original state, in other words to the round single...
24 Replies

19521 Views

Last post by a1winchester
22 Aug 2016, 07:40
Leisure Battery Advice

Last post by California Dreamin « 17 Aug 2016, 13:22
Replies: 6
by bmouthboyo » 09 Aug 2016, 07:49

Hey Guys,

Couple of questions about leisure batteries if I may. I plan to install a nice leisure battery setup and was wondering what the current...

6 Replies

2833 Views

Last post by California Dreamin
17 Aug 2016, 13:22
Flashing red oil light and buzzer = low coolant?

Last post by kevtherev « 16 Aug 2016, 06:00
Replies: 58
by ScienceBoy » 05 Oct 2013, 15:17
1

2

3

4
This seems to happen intermittently. I've been looking for a leak but can't see one. The water is going down slowly. Oil is clean. Not sure if be a...
58 Replies

27534 Views

Last post by kevtherev
16 Aug 2016, 06:00
Automatic: sourcing starter inhibit contacts block

Last post by R0B « 15 Aug 2016, 08:01
Replies: 14
by flora » 12 Aug 2016, 11:01

I have taken off the starter inhibitor switch (spring loaded brass wiper) and associated plastic contact block from the gear selector of my...

14 Replies

3754 Views

Last post by R0B
15 Aug 2016, 08:01
Fog lights driving me potty.....

Last post by Winchweight « 14 Aug 2016, 18:15
Replies: 5
by Winchweight » 13 Aug 2016, 14:29

Ok, next one....

Fog light. The van failed on an inoperative foglight. It's a conversion from a German van (before our ownership). On investigation,...

5 Replies

1528 Views

Last post by Winchweight
14 Aug 2016, 18:15
Additional coolant pump wiring

Last post by RogerT « 14 Aug 2016, 17:46
Replies: 3
by RogerT » 09 Aug 2016, 18:08

Hi folks
Finally getting around to fitting my additional coolant pump, as I seem to have traced all my coolant leaks (touch wood), and I can combine...

3 Replies

1705 Views

Last post by RogerT
14 Aug 2016, 17:46
indicators and lights come on at the same time

Last post by ChadMCN « 13 Aug 2016, 19:50
Replies: 4
by ChadMCN » 11 Aug 2016, 15:44

Basically when I indicate left my left headlight illuminates slightly matching the indicator. The dash shows the indicator is working, the indicator...

4 Replies

1643 Views

Last post by ChadMCN
13 Aug 2016, 19:50
Sidelights and additional light bleed

Last post by bigherb « 13 Aug 2016, 11:18
Replies: 3
by JonB » 12 Aug 2016, 19:39

On my van with square headlights if I have the ignition on / engine running when I put the sidelights on I also get a dim glow from the driving...

3 Replies

1113 Views

Last post by bigherb
13 Aug 2016, 11:18
T25 Key in ignition signal (S-switch)

Last post by printmonkey « 12 Aug 2016, 15:05
Replies: 11
by davegsm82 » 26 Jul 2016, 10:48

Does anyone know if the T25 has an 'S-signal' which much later vehicles like the MK4 golf have to let the clocks know that there's a key in the...

11 Replies

3826 Views

Last post by printmonkey
12 Aug 2016, 15:05
Interior Leisure Battery Eletrical Problems

Last post by cassandra « 11 Aug 2016, 16:45
Replies: 8
by DibDub » 24 Jul 2016, 09:11

Hi all, firstly sorry for any silly questions as I'm not the greatest at electrics.

I can't seem to work out how my interior electrical system...

8 Replies

4206 Views

Last post by cassandra
11 Aug 2016, 16:45
Issue Starting the Bus

Last post by CovKid « 11 Aug 2016, 14:32
Replies: 13
by ArvonW » 07 Aug 2016, 13:47

Hey all,

I had an issue 3 weeks or so ago whereby the ignition switch was faulty so i replaced it and the van started perfectly.

Come to go to he V...

13 Replies

3256 Views

Last post by CovKid
11 Aug 2016, 14:32
Sticky Speedo

Last post by ghost123uk « 11 Aug 2016, 08:44
Replies: 6
by RobH » 08 Aug 2016, 22:41

Had a couple of speedo issues over the weekend, firstly not working at all, then trip and odometer working ok but the speedo went to 50 and stuck...

6 Replies

2401 Views

Last post by ghost123uk
11 Aug 2016, 08:44
Buzzer of doom

Last post by Gary. « 10 Aug 2016, 15:02
Replies: 17
by Gary. » 31 Jul 2016, 07:37
1

2
Hi All, I'm new here so please be nice! Problems with oil light / buzzer of doom. I've look through other posts but I'm still a little lost.

Just...
17 Replies

7447 Views

Last post by Gary.
10 Aug 2016, 15:02
Planning Electric Wiring / Entertainment Setup

Last post by bmouthboyo « 10 Aug 2016, 10:11
Replies: 4
by bmouthboyo » 09 Aug 2016, 07:30

Hi Guys,

I wanted to start planning my electrical wiring for my Autosleeper Trooper restoration that I will be continuing next July when I am back...

4 Replies

1368 Views

Last post by bmouthboyo
10 Aug 2016, 10:11
Another leisure battery wiring thread

Last post by robp « 10 Aug 2016, 07:24
Replies: 3
by robp » 09 Aug 2016, 21:38

Hi

Sorry to jump in with a leisure battery question as my first post to the forum. I've done my best to figure this out (on this forum and jk) for...

3 Replies

1897 Views

Last post by robp
10 Aug 2016, 07:24
Trying to work out this wiring....

Last post by printmonkey « 09 Aug 2016, 19:50
Replies: 9
by NOOG_monkey_II » 08 Aug 2016, 17:04

Hey!

OK, this may be a (very) silly question, but I'm trying to work out what going on with the wiring in my van. I sort of get the basics, but what...

9 Replies

4006 Views

Last post by printmonkey
09 Aug 2016, 19:50

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