Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
On Board Wifi Setup	mike the van	14 Nov 2025, 17:12	Once this week	Electrical & Instrumentation

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Last post

RPM in Road Speed

Last post by Ian Hulley « 04 Apr 2019, 09:17
Replies: 7
by chriscburgess » 28 Mar 2019, 13:18

1.9dg 5 speed

my speedo cable has just broken and I am going away tomorrow in the van. Does anyone know if there is a chart somewhere which...

7 Replies

3304 Views

Last post by Ian Hulley
04 Apr 2019, 09:17
Earth on aerial

Last post by Mocki « 04 Apr 2019, 07:11
Replies: 5
by Ian and Lins » 03 Apr 2019, 10:13

I have had a dig around on the web but can't really find an explanation. Does an aerial need to be earthed? I know it has the little 'cage' around...

5 Replies

2328 Views

Last post by Mocki
04 Apr 2019, 07:11
Any recommendations for a new starter battery?

Last post by Mocki « 04 Apr 2019, 06:19
Replies: 3
by marandali » 03 Apr 2019, 20:05

Hi All,

I know this isn't a very technical question but I need to buy a new starter battery and wondered if anyone had an opinion on what would be...

3 Replies

1647 Views

Last post by Mocki
04 Apr 2019, 06:19
1.9 DG miss fire

Last post by T25Convert « 31 Mar 2019, 22:21
Replies: 22
by T25Convert » 13 Dec 2018, 09:10
1

2
Vans got a bit of a stutter.

Started with the basics (plugs, leads, cap and rotor arm) but no change. It also has a new ignition amplifier fitted...
22 Replies

5281 Views

Last post by T25Convert
31 Mar 2019, 22:21
Durite Smart Relay Fuse blows on start

Last post by bigherb « 30 Mar 2019, 08:34
Replies: 5
by Titus A Duxass » 29 Mar 2019, 13:30

As the title says.
My Durite smart relay blows the 30 amp fuse when I start the engine.
Something tells me that the smart relay is not isolating the...

5 Replies

1321 Views

Last post by bigherb
30 Mar 2019, 08:34
Using fuel pump feed to trigger leisure battery charge relay

Last post by MagicWagon « 28 Mar 2019, 14:53
Replies: 8
by MagicWagon » 21 Mar 2019, 13:36

For reasons too boring to go into, I'm thinking of changing the way charging of my leisure battery is initiated when driving.
Currently I have a...

8 Replies

1897 Views

Last post by MagicWagon
28 Mar 2019, 14:53
Replacing Starter Cable - Trouble routing over fuel tank

Last post by bigherb « 23 Mar 2019, 17:39
Replies: 49
by MidLifeCrisis » 04 Feb 2015, 20:51
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3

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Hi - I'm trying to replace the starter cable between battery and starter (the big thick one).
I've removed the old one - and even had the forethought...
49 Replies

16113 Views

Last post by bigherb
23 Mar 2019, 17:39
Windscreen Pump - now blowing the fuse- NOW FIXED

Last post by bertnuggit « 21 Mar 2019, 17:44
Replies: 5
by bertnuggit » 08 Feb 2019, 18:40

How you can stretch the windscreen water hose to fit onto a new pump?

I tried last week, in cold weather which didn't help...I tried soaking the...

5 Replies

1676 Views

Last post by bertnuggit
21 Mar 2019, 17:44
Coolant light

Last post by Ray « 21 Mar 2019, 17:01
Replies: 3
by Ray » 17 Mar 2019, 19:38

suddenly noticed the coolant light is not flashing on startup. The temp gauge is working OK and the fuel gauge too. Could it be relay 43 or Led gone?...

3 Replies

1364 Views

Last post by Ray
21 Mar 2019, 17:01
Headlight issue

Last post by stuwhitfeild « 21 Mar 2019, 14:51
Replies: 7
by stuwhitfeild » 19 Mar 2019, 19:20

Hi!

1.9 auto DG engine Caravelle 1987 problem...

When I switch on the headlights the blue full beam teller comes on but no headlights.

Rear...

7 Replies

1961 Views

Last post by stuwhitfeild
21 Mar 2019, 14:51
Voltage drop

Last post by JonathanR « 21 Mar 2019, 14:23
Replies: 5
by JonathanR » 20 Mar 2019, 09:53

Another electrickery question as this would not be my chosen subject!

I have fitted 5 small led lights (see pic below) inside the van under the...

5 Replies

1697 Views

Last post by JonathanR
21 Mar 2019, 14:23
Propex Heater Control unit

Last post by JonathanR « 20 Mar 2019, 09:23
Replies: 5
by JonathanR » 19 Mar 2019, 13:53

I need to remove my heater control. But can’t work out how. It looks as though the dial has to be removed first but it does not pull off. Can’t see...

5 Replies

2227 Views

Last post by JonathanR
20 Mar 2019, 09:23
no interior lights from sliding door or tailgate

Last post by Cobra88 « 17 Mar 2019, 16:49
Replies: 10
by Cobra88 » 17 Jul 2018, 08:34

Hi Guys

I had no interior lights at all when I bought the Caravelle
replaced all the light units with new Hella units and new switches to all...

10 Replies

2957 Views

Last post by Cobra88
17 Mar 2019, 16:49
Windscreen Washer Pump

Last post by hawke1 « 15 Mar 2019, 15:50
Replies: 11
by hawke1 » 10 Mar 2019, 13:48

My 1981 T25 went through the MOT test recently and it failed because of a seized washer pump (supposedly?)
Anyway a new pump (obtained from GSF) was...

11 Replies

2175 Views

Last post by hawke1
15 Mar 2019, 15:50
Mystery current drain

Last post by MagicWagon « 15 Mar 2019, 07:51
Replies: 16
by MagicWagon » 04 Mar 2019, 20:39
1

2
I've found that when the key is in the first position (acc? - engine not running) that there is a current of 2.7 amps being drawn. I've tried...
16 Replies

3062 Views

Last post by MagicWagon
15 Mar 2019, 07:51
CAREL ir33 interface

Last post by toolsntat « 13 Mar 2019, 20:18

by toolsntat » 13 Mar 2019, 20:18

I have a transit work van with climate control unit in the rear.
On the dash it has a CAREL ir33 interface to control through various settings what...

0 Replies

1353 Views

Last post by toolsntat
13 Mar 2019, 20:18
Light on heater control panel

Last post by mariner « 12 Mar 2019, 10:22
Replies: 3
by mariner » 28 Feb 2019, 21:25

Hi all. So I finally got round to changing the bulb in the heater control panel only to find it's made no difference :roll: Is there a specific fuse...

3 Replies

1076 Views

Last post by mariner
12 Mar 2019, 10:22
Rear/Tail Lights out!

Last post by 937carrera « 11 Mar 2019, 21:20
Replies: 16
by fresco3000 » 10 Mar 2019, 12:06
1

2
Hi Guys,

I'm having bit of trouble getting my rear lights back in action.

The indicators and brake lights work fine but I can't get the rear lights...
16 Replies

3303 Views

Last post by 937carrera
11 Mar 2019, 21:20
Fog lights

Last post by dbeatty « 07 Mar 2019, 16:13
Replies: 2
by fh9977 » 19 Jan 2019, 20:02

Hi,
I am looking for the Terrapodz / Projektzwo fog lights.
Looking at the posts it seems that these haven't been available in a while.
Anyone still...

2 Replies

1725 Views

Last post by dbeatty
07 Mar 2019, 16:13
Inverters

Last post by itchyfeet « 06 Mar 2019, 13:01
Replies: 9
by pan-al » 28 Feb 2019, 18:16

Got an electric bike need to charge the battery off the leisure battery when flat how do I do it with a inverter.any advice welcome.

9 Replies

3186 Views

Last post by itchyfeet
06 Mar 2019, 13:01
Intermittent Speedo, Syncro

Last post by tyredandcranky « 04 Mar 2019, 11:35
Replies: 9
by rollercoaster » 07 Jan 2019, 23:22

Time to sort this, before I get a speeding ticket.
Also is it possible to recalibrate while I am fixing it,
as I have bigger wheels its a bit off.

9 Replies

2748 Views

Last post by tyredandcranky
04 Mar 2019, 11:35
t25 year differences- torpedo and spade fuses??

Last post by Mocki « 04 Mar 2019, 09:34
Replies: 3
by j_robi » 03 Mar 2019, 11:15

10 years ago I had a few different T25's, all 1.9dg, 2 C Reg and 1 E reg, the older C reg had spade fuses and the other 2 torpedo fuses. Both vans...

3 Replies

1387 Views

Last post by Mocki
04 Mar 2019, 09:34
Oil light not coming on

Last post by sandyman « 06 Mar 2019, 19:38
Replies: 5
by sandyman » 02 Mar 2019, 19:40

Until very recently the oil light was functioning correctly- coming on when ignition was turned on and then switching off during driving. The last...

5 Replies

2572 Views

Last post by sandyman
06 Mar 2019, 19:38
Switched live - everything switched live is dead

Last post by bigherb « 01 Mar 2019, 11:35
Replies: 3
by adrianbutter » 28 Feb 2019, 07:55

If you have time - I'd welcome some clues.

When a turned on the internal blower, it started up, then suddenly stopped. I'm sure I heard or 'felt'...

3 Replies

1214 Views

Last post by bigherb
01 Mar 2019, 11:35
Testing Ignition Amplifier

Last post by bigherb « 28 Feb 2019, 07:50
Replies: 2
by jswagger » 27 Feb 2019, 19:47

Hi,

Is it possible using a multi meter to test an Ignition amplifier to see if it functioning correctly?

Thanks for your help.

2 Replies

1088 Views

Last post by bigherb
28 Feb 2019, 07:50
Hard start relay

Last post by adie89 « 27 Feb 2019, 17:57
Replies: 3
by fazzer » 08 Feb 2019, 11:43

Need to fit a hard start relay but not good with electrics,anyone know someone around Birmingham who could fit it for me.

3 Replies

2061 Views

Last post by adie89
27 Feb 2019, 17:57
Headlamp units

Last post by Flowhite « 26 Feb 2019, 16:17

by Flowhite » 26 Feb 2019, 16:17

I have a pair of Bosch headlamps with the lenses marked 7102 R7 and 7102 R1. I originally bought these as spare for our 1974 Late Bay which was...

0 Replies

1493 Views

Last post by Flowhite
26 Feb 2019, 16:17
Aftermarket voltmeter

Last post by LeeME3 « 20 Feb 2019, 10:49
Replies: 6
by Sir Brixalot » 12 Feb 2019, 22:48

I've got a 52mm rev counter that's been always been broken. I was thinking of swapping it for a voltmeter wired direct to starter battery. Anyone...

6 Replies

2321 Views

Last post by LeeME3
20 Feb 2019, 10:49
indicator switch problem

Last post by tee3peeo « 19 Feb 2019, 13:51
Replies: 3
by tee3peeo » 27 Jan 2019, 20:35

Hi, I have a problem with my indicator switch. Left indicator works well, but right indicator works very rarely. Sometimes it lights for one flash...

3 Replies

1707 Views

Last post by tee3peeo
19 Feb 2019, 13:51
Mains hook-up dangers

Last post by Jeff J « 19 Feb 2019, 04:42
Replies: 33
by cassandra » 23 Aug 2016, 20:52
1

2

3
A word of caution to any one with a T25 that is still very original. We have just bought a 1981 Eurec Cassandra ( which is actually a Devon Moonraker...
33 Replies

16878 Views

Last post by Jeff J
19 Feb 2019, 04:42
wire smoking

Last post by tobydog « 16 Feb 2019, 23:36
Replies: 5
by doodle » 13 Feb 2019, 17:11

Hello, can anyone recommend an Auto Electrician for my T25, ideally not too far from me Maidstone

5 Replies

2027 Views

Last post by tobydog
16 Feb 2019, 23:36
Hella / ULO rear bulb holders same connectors?

Last post by Savara « 16 Feb 2019, 22:21
Replies: 2
by Savara » 12 Feb 2019, 10:34

Quick question - if I change over to Hella from the original ULO clusters are the connectors the same? Don't fancy resoldering or crimping!
Cheers..

2 Replies

1034 Views

Last post by Savara
16 Feb 2019, 22:21
No hot air

Last post by sandyman « 15 Feb 2019, 17:52
Replies: 3
by sandyman » 01 Feb 2019, 08:40

Hi at the moment not getting any hot air into the van. It used to work before had head gasket done, but can't see any connection between the two so...

3 Replies

1556 Views

Last post by sandyman
15 Feb 2019, 17:52
Analogue clock not working in dash.

Last post by Oldiebut goodie « 13 Feb 2019, 17:12
Replies: 4
by RustyRed » 03 Feb 2019, 20:56

Hi,

Had a look in previous posts but cannot find anything which surprises me.

I need advice how to get the old clock ticking again. Is there a...

4 Replies

1736 Views

Last post by Oldiebut goodie
13 Feb 2019, 17:12
Central locking problem

Last post by R0B « 08 Feb 2019, 07:39
Replies: 8
by sonnyhowell » 28 Jan 2018, 13:24

Not sure if this should be posted in electrical or mechanical tbh but here goes.
I tried to lock my van last night and the drivers door wouldn’t turn...

8 Replies

3042 Views

Last post by R0B
08 Feb 2019, 07:39
Help needed with hookup charging of two batteries

Last post by MagicWagon « 06 Feb 2019, 13:29
Replies: 4
by MagicWagon » 06 Feb 2019, 07:46

I will soon be installing mains hookup to my 1983 Devon camper. I'm happy with that having done it on my 1981 autosleeper, but this time want to...

4 Replies

993 Views

Last post by MagicWagon
06 Feb 2019, 13:29
Auto Electrician needed

Last post by Mocki « 04 Feb 2019, 23:37
Replies: 5
by bertnuggit » 03 Feb 2019, 17:57

Hello, can anyone recommend an Auto Electrician for my T25, ideally not too far from me (Halifax, West Yorkshire)?
Current problems are:
Temp light...

5 Replies

1383 Views

Last post by Mocki
04 Feb 2019, 23:37
Leisure battery

Last post by AngeloEvs « 31 Jan 2019, 18:14
Replies: 3
by garyv8 » 30 Jan 2019, 21:58

Hi all,
Maybe a silly question but looking to fit a leisure battery, something Covkid posted made me think, rather than being restricted by under...

3 Replies

1019 Views

Last post by AngeloEvs
31 Jan 2019, 18:14
1.9 DG Coils and flat spots

Last post by 937carrera « 30 Jan 2019, 20:37
Replies: 3
by BackForMore » 30 Jan 2019, 16:20

Hello all.

My bus has a flat spot and a slight misfire. It's an '84 1.9 DG WBX. It has the early 115B Coil in it. I've checked the circuits and 2nd...

3 Replies

1664 Views

Last post by 937carrera
30 Jan 2019, 20:37
Clueless

Last post by Crisnsatch « 28 Jan 2019, 18:54
Replies: 33
by Crisnsatch » 23 Jan 2019, 10:19
1

2

3
Hi all, 1984 1.9 water-cooled petrol auto. Had the van since August. Flew through mot in November but now probs. Apart from leak (planning on new rad...
33 Replies

6197 Views

Last post by Crisnsatch
28 Jan 2019, 18:54
No indicators, wipers, horn, blower

Last post by bigherb « 27 Jan 2019, 19:27
Replies: 8
by Cyprus dave » 24 Jan 2019, 11:26

Transporter 1985 (12 Fuses)
Indicators, wipers, horn, blower all not working.
Lights are working, and van starts up OK. Fairly new battery....

8 Replies

2708 Views

Last post by bigherb
27 Jan 2019, 19:27
GPS speedo - Arduino?

Last post by ash1293 « 27 Jan 2019, 07:38
Replies: 17
by ash1293 » 31 Oct 2018, 16:43
1

2
Having changed to a passat B2 steering wheel I have the usual 'can't see speedo' dilema.
While not a huge problem it did get me thinking to the...
17 Replies

6672 Views

Last post by ash1293
27 Jan 2019, 07:38
Aux Pump Temp Switch location 1.6jx

Last post by robobobo « 26 Jan 2019, 15:20
Replies: 9
by robobobo » 23 Jan 2019, 22:55

Hello 80-90ers
My aux water pump was knackered and had been for some time. When I fit the new one it is a good pump but the switch is not activating...

9 Replies

3190 Views

Last post by robobobo
26 Jan 2019, 15:20
Rear light cluster wire diagram.

Last post by AEMCK « 20 Jan 2019, 17:42
Replies: 2
by AEMCK » 19 Jan 2019, 22:06

Hi

Basicaly, ive bought a t25 1.9 dg 1989. The wiring is a complete mess. I thought the rear is a good place to start.

Anyways ive pulled out the...

2 Replies

976 Views

Last post by AEMCK
20 Jan 2019, 17:42
'Leisure' battery flavour of the month

Last post by kevtherev « 17 Jan 2019, 17:15
Replies: 2
by Michael4 » 29 Dec 2018, 13:33

Have looked back over old topics but I'm after an update.

What is the current favourite for a good value 175mm high leisure battery?

Will be going...

2 Replies

1474 Views

Last post by kevtherev
17 Jan 2019, 17:15
Head Light type

Last post by silverbullet « 14 Jan 2019, 21:17
Replies: 223
by Fully Loaded Cali' » 25 Jan 2015, 13:57
1

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11

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Currently restoring my '84 westy and will be fitting new headlamps as mine are stone chipped. I have some spare lamps, but these have a metal...
223 Replies

101889 Views

Last post by silverbullet
14 Jan 2019, 21:17
Airtop 2000 blows fuses

Last post by nobbyfox « 13 Jan 2019, 19:56
Replies: 4
by nobbyfox » 06 Jan 2019, 15:08

Afternoon,
Hope someone can help.
My Airtop 2000 diesel version has now decide to blow fuses. Not the main 25amp near the black control box but my 15...

4 Replies

2054 Views

Last post by nobbyfox
13 Jan 2019, 19:56
Dashboard lights - mixed bag of working and not..

Last post by 3cylinders « 12 Jan 2019, 13:00
Replies: 3
by adrianbutter » 08 Jan 2019, 15:20

Dashboard lights....
I have an odd set of working and non working dashboard warning lights - can anyone help to spot what might be the common issue?...

3 Replies

1592 Views

Last post by 3cylinders
12 Jan 2019, 13:00
Starter motor spins but does not engage

Last post by R0B « 09 Jan 2019, 22:27
Replies: 7
by Michael4 » 06 Jan 2019, 11:42

My starter motor spins but does not engage on first try when stone cold. Second attempt all OK. At all other times it is fine, engages first time and...

7 Replies

1924 Views

Last post by R0B
09 Jan 2019, 22:27
Foglight rocker switch wiring?

Last post by bernard1973 « 06 Jan 2019, 15:55
Replies: 19
by bernard1973 » 31 Dec 2018, 16:31
1

2
Hi All

The van has just been for it's MOT (Halfords!) and it only failed on the foglight. I checked the bulb and it's working ok, but when I've took...
19 Replies

5036 Views

Last post by bernard1973
06 Jan 2019, 15:55

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