Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
Flashing Coolant LED	PaulFDennis	16 Jul 2025, 09:51	2 times this week	Electrical & Instrumentation
Dashboard PCB Replacement (CJH Design)	TwinTurbo	19 Jul 2025, 15:04	Once this week	Electrical & Instrumentation

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Last post

Help required, Wire colours

Last post by Robsey « 07 Apr 2021, 21:45
Replies: 6
by Doubledoka » 25 Mar 2021, 07:36

Morning All,

Firstly apologies if this info is on here somewhere, but have done my best to find it, but no luck.

I’m tidying up the main loom in...

6 Replies

1237 Views

Last post by Robsey
07 Apr 2021, 21:45
Revcounter

Last post by Robsey « 07 Apr 2021, 21:02
Replies: 7
by Mawsy » 04 Apr 2021, 14:12

Hi all, the revcounter on my 1989 caravelle has never worked I got it it is 1.9 auto fuel injected petrol :ok , I finally got round to checking it,...

7 Replies

907 Views

Last post by Robsey
07 Apr 2021, 21:02
Split charge remains?

Last post by Cookie « 07 Apr 2021, 16:09
Replies: 2
by Cookie » 07 Apr 2021, 15:30

Hello all,

From my leisure battery bay I have wires going into a relay. They then disappear off to both behind the dash and to the main battery...

2 Replies

581 Views

Last post by Cookie
07 Apr 2021, 16:09
Name that (loose) connector!

Last post by MoritzTheDoka « 05 Apr 2021, 13:15
Replies: 2
by MoritzTheDoka » 05 Apr 2021, 13:04

I was having a poke around the van this morning as I seem to have developed a bit of an oil leak (another question coming soon) and whilst I was...

2 Replies

453 Views

Last post by MoritzTheDoka
05 Apr 2021, 13:15
1987 1.9 petrol Westie automatic

Last post by izzybarnard « 04 Apr 2021, 17:48
Replies: 7
by Burrich » 03 Apr 2021, 15:51

Having just purchased the above van..it broke down on the 2nd day. Turns out it was the inhibitor switch in the gear lever cowling. When you switched...

7 Replies

967 Views

Last post by izzybarnard
04 Apr 2021, 17:48
Petrol starter battery

Last post by T3luestar « 31 Mar 2021, 19:37
Replies: 3
by Dazco » 31 Mar 2021, 15:51

After a good quality starter battery for petrol model( under drivers seat .
Any recommendations for a supplier?

3 Replies

1069 Views

Last post by T3luestar
31 Mar 2021, 19:37
Check yer electrics!

Last post by keynsham1 « 31 Mar 2021, 08:46
Replies: 3
by colinthefox » 30 Mar 2021, 20:01

Found this on a friends van today.................

Sorry it's a bit out of focus. The van RCD didn't trip with a test earth fault applied. This is...

3 Replies

2249 Views

Last post by keynsham1
31 Mar 2021, 08:46
Idle issue – 1.9 WBX petrol 1983

Last post by Johnboyanderson « 29 Mar 2021, 22:44
Replies: 20
by Johnboyanderson » 16 Mar 2021, 22:32
1

2
Hello, new(ish) to the forum (finally guessed login) so firstly a massive thank you for all the time and effort people put in here – it's been an...
20 Replies

2042 Views

Last post by Johnboyanderson
29 Mar 2021, 22:44
Noisy belt, Is it the Alternator?

Last post by MoritzTheDoka « 28 Mar 2021, 20:31
Replies: 2
by MoritzTheDoka » 28 Mar 2021, 20:03

hey!

The ever growing list of questions i have is, erm growing...

We've not had the van long, and shortly after we got it the belt started to slip,...

2 Replies

453 Views

Last post by MoritzTheDoka
28 Mar 2021, 20:31
Fitting a glove box light switch

Last post by Robsey « 28 Mar 2021, 12:29
Replies: 4
by Robsey » 27 Mar 2021, 09:46

I have been looking at fitting a light for the glove-box.
No real need, but it is something to do.

The whole concept is silly easy, but I am a...

4 Replies

606 Views

Last post by Robsey
28 Mar 2021, 12:29
Relays under drivers seat

Last post by Da dan « 24 Mar 2021, 19:17
Replies: 10
by Da dan » 22 Mar 2021, 18:30

I have a 85 Devon and under the drivers seat by the start battery are two relays/inline fuses. I’m guessing one is split charger and one for the...

10 Replies

1762 Views

Last post by Da dan
24 Mar 2021, 19:17
Temperamental Temp Light

Last post by AngeloEvs « 24 Mar 2021, 10:40
Replies: 1
by Stesaw » 17 Mar 2021, 20:17

Right, Story time.

The other week after coming back from a local garden centre I had the temp light start flashing about 2 miles from home...ruh...

1 Replies

507 Views

Last post by AngeloEvs
24 Mar 2021, 10:40
Cheap Batteries

Last post by ash1293 « 23 Mar 2021, 07:51
Replies: 7
by Spailpin Fanach » 22 Mar 2021, 11:26

What do people think about this battery on fleabay:

I'm shopping around for batteries to rewire electrics on bus. Generally, I think if something...

7 Replies

1022 Views

Last post by ash1293
23 Mar 2021, 07:51
Switched live whereabouts

Last post by Cataldoodledoo « 21 Mar 2021, 21:56
Replies: 8
by Cataldoodledoo » 15 Mar 2021, 17:07

Hi, I’ve installed a leisure battery and I need to run a switched 12v live supply to a terminal on the relay to stop the primary battery discharging...

8 Replies

1060 Views

Last post by Cataldoodledoo
21 Mar 2021, 21:56
Oil Pressure and Temp gauges

Last post by Stesaw « 21 Mar 2021, 18:12
Replies: 7
by Stesaw » 20 Mar 2021, 16:32

With my 2.1 build coming along I've thought about monitoring such things as oil pressure and temp to make sure I did it right :lol:.

For the folk...

7 Replies

955 Views

Last post by Stesaw
21 Mar 2021, 18:12
How do I know if I have an early/late fuse box

Last post by Cataldoodledoo « 21 Mar 2021, 16:05
Replies: 6
by Cataldoodledoo » 19 Mar 2021, 21:29

Trying to work this out and also find a wiring diagram for the one I have. What’s the easiest way? It’s a 1985 VW T25. Thanks.

6 Replies

1776 Views

Last post by Cataldoodledoo
21 Mar 2021, 16:05
ZIG Controller Upgrade

Last post by Mocki « 20 Mar 2021, 12:34
Replies: 1
by keynsham1 » 20 Mar 2021, 10:38

I am looking at upgrading my electrics to use either a Zig CF9 or CF10. They are both pretty similar. I can understand the wiring but it isn't clear...

1 Replies

600 Views

Last post by Mocki
20 Mar 2021, 12:34
Temp gauge sender - linear resistance?

Last post by WillScott « 19 Mar 2021, 20:33
Replies: 6
by T25Convert » 30 Mar 2020, 19:06

New temperature gauge sender fitted to 1.9wbx. Black square plug one identical to the one on there.

However, temperature gauge now sits at 3/4...

6 Replies

2270 Views

Last post by WillScott
19 Mar 2021, 20:33
Extra wires in the head-light loom

Last post by Robsey « 18 Mar 2021, 22:12
Replies: 8
by Robsey » 18 Mar 2021, 11:52

Hi all,

I am a firm believer of no question is a stupid question, but here 'should' be a simple question.

If you have read my other posts, you will...

8 Replies

928 Views

Last post by Robsey
18 Mar 2021, 22:12
Butt connectors

Last post by Rosie n' Jim « 17 Mar 2021, 18:45
Replies: 9
by kentishvanman » 15 Mar 2021, 20:15

Hi,
Have used these from time to time on vehicle wiring but never thought of using on domestic/household cables ie up to about 5amp.
Has anyone used...

9 Replies

1766 Views

Last post by Rosie n' Jim
17 Mar 2021, 18:45
Non VW. Any electricians or people in the know

Last post by Aidan « 17 Mar 2021, 09:03
Replies: 5
by RCN » 16 Mar 2021, 14:59

Hi all. Can anyone tell me about this please. Viewing a property and this is the fuse box. It seems to have fuse wire and there's a mention of...

5 Replies

1671 Views

Last post by Aidan
17 Mar 2021, 09:03
Indication problems

Last post by T25_Baloo « 14 Mar 2021, 10:54
Replies: 5
by T25_Baloo » 07 Mar 2021, 14:30

Not had much luck today.

The passenger side indicator stopped working so I got a new bulb from Halfords and tried to fit it. When I did so I...

5 Replies

819 Views

Last post by T25_Baloo
14 Mar 2021, 10:54
Interior LED lighting

Last post by AngeloEvs « 13 Mar 2021, 17:53
Replies: 2
by keynsham1 » 13 Mar 2021, 16:28

I am sure this has been asked before but I am looking for advice on interior LED lighting for my van. I have stripped the interior out as I am doing...

2 Replies

491 Views

Last post by AngeloEvs
13 Mar 2021, 17:53
Handbrake/brake fluid warning light

Last post by Cataldoodledoo « 12 Mar 2021, 20:35
Replies: 4
by Cataldoodledoo » 08 Mar 2021, 12:44

Hi everyone. I have stripped my cab out and found that the handbrake warning light was not connected to the dash, the cable was stuffed under the...

4 Replies

803 Views

Last post by Cataldoodledoo
12 Mar 2021, 20:35
1988 1.9TD AAz blowing heater 20 amp fuse

Last post by Schnippzle « 12 Mar 2021, 18:26
Replies: 5
by jacko1967 » 05 Mar 2021, 12:46

Hi I got in the van today and put the front heater knob to number three and Hurd a click and nothing from the heater blower checked the fuse and sure...

5 Replies

663 Views

Last post by Schnippzle
12 Mar 2021, 18:26
Temperature gauge light.

Last post by garyharbord « 11 Mar 2021, 08:48
Replies: 7
by garyharbord » 07 Mar 2021, 22:04

My Temperature gauge light is permanently on and only goes off when the Headlights are switched on . I guess its a wiring problem anyone point me in...

7 Replies

1344 Views

Last post by garyharbord
11 Mar 2021, 08:48
Aftermarket VW Three Pin Connectors

Last post by maxstu « 09 Mar 2021, 20:30

by maxstu » 09 Mar 2021, 20:30

Seeking the male and female three round pin VW connectors. Or equivalent aftermarket. Must be compatible with genuine VW connectors
Brickwerk out of...

0 Replies

3618 Views

Last post by maxstu
09 Mar 2021, 20:30
Domestic Wiring

Last post by Cecil « 08 Mar 2021, 16:46
Replies: 5
by maxstu » 07 Mar 2021, 20:07

Would someone please explain in simple terms what this means below; DNO, TNS, UKPN, SPD etc?

Also the C2's are:

R emedial action...

5 Replies

636 Views

Last post by Cecil
08 Mar 2021, 16:46
Electrics.....??

Last post by ScienceBoy « 01 Mar 2021, 23:41
Replies: 13
by randamonia » 30 Jan 2021, 17:42

Hi

Hoping someone with much more knowledge can educate me please?
I noticed a fuse off my leisure battery had had some heat to the point of melting...

13 Replies

2970 Views

Last post by ScienceBoy
01 Mar 2021, 23:41
Engine bay remote starter switch

Last post by Mocki « 28 Feb 2021, 11:43
Replies: 16
by alan.lane3 » 23 Apr 2016, 20:17
1

2
Today i had a problem with my ignition.
I needed a helper to turn the key whilst i worked out what was wrong.
I didn't have a helper so I made an...
16 Replies

5273 Views

Last post by Mocki
28 Feb 2021, 11:43
Starter motor/electrics?

Last post by ScienceBoy « 27 Feb 2021, 21:47
Replies: 23
by sneakyalien » 09 Jun 2018, 18:27
1

2
Hia all,
I Picked my van (T25 1.9 petrol high top)up from the repair guy(new mot, new fuel pipes,dash off for new blower etc) on the way home I...
23 Replies

5366 Views

Last post by ScienceBoy
27 Feb 2021, 21:47
Non VW. Domestic 12v lighting

Last post by maxstu « 19 Feb 2021, 18:50
Replies: 19
by maxstu » 07 Feb 2021, 12:38
1

2
Spot lights in the kitchen are 12v. Hot and costly to run.
My questions are...
Are they connected to a transformer?
Is a transformer needed to run...
19 Replies

2437 Views

Last post by maxstu
19 Feb 2021, 18:50
Wiper headlight issues!

Last post by Danskip77 « 17 Feb 2021, 15:32
Replies: 6
by Danskip77 » 05 Feb 2021, 20:09

Good evening all, hope everyone's well. I have a 85 t25,and jusr had a new gremlin pop up. When I have ignition on, headlamps and wipers are fine. As...

6 Replies

758 Views

Last post by Danskip77
17 Feb 2021, 15:32
rear heater fan

Last post by davidoft1 « 10 Feb 2021, 13:30
Replies: 6
by fh9977 » 09 Feb 2021, 14:00

Hi - is the fan in the rear heater under bench seat meant to move freely when you spin it? Mine is stuck, when I switched the heater on the other day...

6 Replies

758 Views

Last post by davidoft1
10 Feb 2021, 13:30
Alternator light staying on....?

Last post by spanishfly « 09 Feb 2021, 20:28

by spanishfly » 09 Feb 2021, 20:28

WBX 2.1dj 90A alternator,the light is staying on after I fitted a used replacement. The previous ones bearings have just become very noisy so swapped...

0 Replies

3472 Views

Last post by spanishfly
09 Feb 2021, 20:28
Square Headlight Conversion Kit

Last post by james309 « 08 Feb 2021, 21:34
Replies: 1
by keynsham1 » 08 Feb 2021, 10:51

Has anyone bought and fitted the Type 25 Square Headlight Conversion Kit (UK Beam Pattern) which is sold by Cool Air Volkswagen Specialists? I like...

1 Replies

462 Views

Last post by james309
08 Feb 2021, 21:34
Cab light

Last post by TONYT25T25 « 07 Feb 2021, 18:30
Replies: 14
by mariner » 21 Jan 2021, 21:12

Hi all. I have one cab light in my ‘85 panel conversion that is above the driver’s door. Does anyone know if this is meant to come on when I open the...

14 Replies

1817 Views

Last post by TONYT25T25
07 Feb 2021, 18:30
Cruise Control stalk

Last post by maxstu « 05 Feb 2021, 15:43
Replies: 12
by maxstu » 29 Jan 2021, 22:46

Im attempting to fuse (ha!) together a part original VW Cruise Control unit and pump to a Subaru Forester stalk and a separate Subaru ON/OFF switch....

12 Replies

1115 Views

Last post by maxstu
05 Feb 2021, 15:43
Alternator

Last post by Mocki « 01 Feb 2021, 22:13
Replies: 4
by benbee » 01 Feb 2021, 18:44

I have a 1989 2.1 DJ and am confused about the correct Alternator. Should it be a 65 or a 90 amp? Thanks

4 Replies

727 Views

Last post by Mocki
01 Feb 2021, 22:13
Hazard light switch

Last post by Mocki « 01 Feb 2021, 22:12
Replies: 1
by mshaw1980 » 01 Feb 2021, 22:04

Anyone had this where you activate the hazard lights but only the driver side indicators flash?
Indicators all work as they should. Is this a common...

1 Replies

802 Views

Last post by Mocki
01 Feb 2021, 22:12
Heater box refurbishment

Last post by sweetaswesty « 29 Jan 2021, 12:04
Replies: 15
by sweetaswesty » 28 Jan 2021, 19:47
1

2
I’m in the middle of refurbishing the heater box on our Westy. I’ve got the foam kit from Brickwerks, a new blower motor and heater matrix.
Just two...
15 Replies

2345 Views

Last post by sweetaswesty
29 Jan 2021, 12:04
Help identifying a starter motor

Last post by 3cylinders « 27 Jan 2021, 12:16
Replies: 4
by 3cylinders » 26 Jan 2021, 21:55

I am looking to buy an unused starter motor from a private seller for a late 1.9 DG 78 PS manual petrol engine. The flywheel drive pinion spindle...

4 Replies

794 Views

Last post by 3cylinders
27 Jan 2021, 12:16
Problem with Gas/petrol switch

Last post by Daisy « 23 Jan 2021, 18:29
Replies: 4
by Daisy » 22 Jan 2021, 11:14

A duplicate post fro electrical.

Hi folks I went to start my van this morning and it did start and run for a short period and then cut out and is...

4 Replies

954 Views

Last post by Daisy
23 Jan 2021, 18:29
Running cables to rear view mirror.

Last post by davidoft1 « 17 Jan 2021, 11:56
Replies: 2
by Spailpin Fanach » 17 Jan 2021, 09:37

I have a reversing camera and dashcam I want to wire in on my 1989 Westfalia California poptop. It goes over the rear view mirror. The unit has 3...

2 Replies

656 Views

Last post by davidoft1
17 Jan 2021, 11:56
Fuel tank sender unit differences

Last post by Aidan « 16 Jan 2021, 15:48
Replies: 1
by multisi » 16 Jan 2021, 14:30

There are 2 standard fuel tank senders,one early pre 86 and later post 86, what would the differences be , would the dash reading be out if the wrong...

1 Replies

446 Views

Last post by Aidan
16 Jan 2021, 15:48
Heater Blower Motor Replacement

Last post by Splurt « 13 Jan 2021, 21:17
Replies: 4
by Splurt » 12 Jan 2021, 14:28

My blower motor has been acting up recently, takes some time to get up to full speed and squeals a bit in doing so. It's had too many birthdays so...

4 Replies

1975 Views

Last post by Splurt
13 Jan 2021, 21:17
Bench Testing an Alternator.

Last post by Mocki « 10 Jan 2021, 19:56
Replies: 23
by maxstu » 20 Nov 2020, 23:58
1

2
I have two spare T25 alternators. One is a 90 amps version with a new voltage regulator. The other has lost it's label but is totally identical to...
23 Replies

4886 Views

Last post by Mocki
10 Jan 2021, 19:56
Glow plug wiring woes

Last post by hubcap61 « 08 Jan 2021, 13:07
Replies: 12
by Drawl21 » 07 Jan 2021, 15:49

Good afternoon all
I’ve recently acquired a 1986 16 turbo diesel (JX)camper,the previous owner has wired the glow plugs up to a push button on the...

12 Replies

2182 Views

Last post by hubcap61
08 Jan 2021, 13:07
Buzzer of Doom - again

Last post by ajsimmo « 06 Jan 2021, 08:39
Replies: 6
by Tony Somerset » 04 Jan 2021, 14:37

Hi there. I have a G-reg Autohomes Komet, 1.9 petrol. Last summer I had the buzzer of doom problem, The oil warning light and the buzzer came on and...

6 Replies

1137 Views

Last post by ajsimmo
06 Jan 2021, 08:39
Refitting the speedo cable to the grease cap

Last post by killerme « 03 Jan 2021, 19:52
Replies: 11
by killerme » 21 Dec 2020, 20:23

VW T25 1989 water cooled turbo diesel. I have an old threaded speedometer, that runs through the square hole in the hub grease cap. I've checked all...

11 Replies

29094 Views

Last post by killerme
03 Jan 2021, 19:52

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