Electrical & Instrumentation

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Most liked posts	Author	Posted	Liked	Forum
LED warning lights for DASH voltage?	VWKat	21 Jun 2026, 19:02	Once this week	Electrical & Instrumentation

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Last post

Windscreen washer pump

Last post by ZsZ « 03 Jan 2022, 14:21
Replies: 11
by ZsZ » 31 Dec 2021, 08:39

In the fight for a good washer on a pre '87 van I have replaced the washer jets to 3 hole Suzuki ones, I have added a non-return valve to have fluid...

11 Replies

2248 Views

Last post by ZsZ
03 Jan 2022, 14:21
Central locking

Last post by dogbower « 02 Jan 2022, 14:40
Replies: 4
by dogbower » 30 Dec 2021, 20:51

Hi, new owner here.
My new van has central locking, it only appears to function when locking drivers door. Is that correct, or should it work on all...

4 Replies

896 Views

Last post by dogbower
02 Jan 2022, 14:40
Cigarette lighter sleeve won't come off?

Last post by Robsey « 27 Dec 2021, 10:29
Replies: 8
by Shinnster » 23 Dec 2021, 03:00

hey all,

feel a bit stupid with this one but I got a new cigarette lighter as mine was cracked and didnt work without me holding the connected...

8 Replies

1670 Views

Last post by Robsey
27 Dec 2021, 10:29
T25 - turn the key and nothing. Starter motor?

Last post by Mocki « 18 Dec 2021, 14:14
Replies: 13
by mhowood » 27 Nov 2021, 15:41

So today it's cold and wet out.
I started my 1987 T25. It turned over just fine. Bit slow to catch maybe but it's been too weeks since I drove her....

13 Replies

3322 Views

Last post by Mocki
18 Dec 2021, 14:14
Rear lights not working

Last post by maxstu « 16 Dec 2021, 17:36
Replies: 7
by T25boy71 » 23 Sep 2021, 20:43

Hi all having a problem with my rear lights not working
brake light fine
Turn single left and right fine
number plate fine
fog light fine
fuses...

7 Replies

1463 Views

Last post by maxstu
16 Dec 2021, 17:36
JX 1.6 June 1989 Wiring Diagram

Last post by ZsZ « 08 Dec 2021, 07:26
Replies: 5
by masvera8 » 06 Dec 2021, 19:16

Hello,

This wiring diagram from syncosport, mostly agrees with my June 1989 JX 1.6 Club Joker. However the manual is post August 1989, and some...

5 Replies

1182 Views

Last post by ZsZ
08 Dec 2021, 07:26
Indicator tell tale lamp not working

Last post by DoubleOSeven « 06 Dec 2021, 20:07
Replies: 3
by morzov » 10 Jun 2021, 08:27

Have got an MOT coming up on my 1982 T25 2 litre air cooled.

The direction indicator tell tale light on the dash is not working although the...

3 Replies

2039 Views

Last post by DoubleOSeven
06 Dec 2021, 20:07
Clear photo of indicator/headlight stalk switch internal components!

Last post by grace72 « 04 Dec 2021, 14:12

by grace72 » 04 Dec 2021, 14:12

Hi my dipped lights weren’t working after flickering off whilst driving and occasionally working after switching to main beam and back a few time. I...

0 Replies

1866 Views

Last post by grace72
04 Dec 2021, 14:12
no indicators

Last post by hippy chick « 03 Dec 2021, 19:28
Replies: 10
by hippy chick » 29 Nov 2021, 10:31

ok so new radiator fitted new heater motor fitted dash back in all working apart from indicators :( four hours trying to sort it and find fault but...

10 Replies

2265 Views

Last post by hippy chick
03 Dec 2021, 19:28
hot to remove rear bulb connector?

Last post by Stesaw « 02 Dec 2021, 18:51
Replies: 12
by Shinnster » 22 Nov 2021, 16:03

hey all,
may be a stupid question but how do you get the connector out of the rear bulb holder? ive pulled at it with quite a bit of force and its...

12 Replies

2198 Views

Last post by Stesaw
02 Dec 2021, 18:51
Wipers work with no key in?

Last post by davidoft1 « 01 Dec 2021, 23:20
Replies: 7
by Shinnster » 01 Dec 2021, 15:05

Doing little bits on the van today and took it for a spin to check all was ok.
it started to rain and luckily wipers work but I noticed when I turned...

7 Replies

1317 Views

Last post by davidoft1
01 Dec 2021, 23:20
Ignition Coil Green Label

Last post by freckvan1 « 23 Nov 2021, 23:50
Replies: 13
by freckvan1 » 19 Nov 2021, 15:45

Afternoon All,

1984 W/C 1,9 DG

Tried to start van, dead . All lights work ok . Oil and coolant dash lights flashing turn key and nowt .
Battery ok...

13 Replies

1793 Views

Last post by freckvan1
23 Nov 2021, 23:50
Alternator Warning Light

Last post by Oldiebut goodie « 18 Nov 2021, 19:10
Replies: 3
by Oilline » 13 Nov 2021, 15:32

I have the later type dash cluster. My alternator warning light is staying on. I’m getting 14.5 volts at the battery with the engine running so I...

3 Replies

1259 Views

Last post by Oldiebut goodie
18 Nov 2021, 19:10
Headlights? Grrrr..

Last post by Michael4 « 14 Nov 2021, 22:33
Replies: 7
by Michael4 » 14 Nov 2021, 11:51

Headlight failure

So straight to the earth crowns, fuses, relays etc. Lots of scrabbling around. Nothing.

And the problem was?

Both bulbs gone at...

7 Replies

1882 Views

Last post by Michael4
14 Nov 2021, 22:33
Completely Dead T25 DG

Last post by Mr Bean « 11 Nov 2021, 23:34
Replies: 6
by Blrsjer » 11 Nov 2021, 22:26

Hello all,

So I’ll start this post with a small story: It’s a cold autumn morning and I go to start my T25 DG, she starts up first time and whilst...

6 Replies

1103 Views

Last post by Mr Bean
11 Nov 2021, 23:34
Blower Motor Plug Numbers?

Last post by Robsey « 09 Nov 2021, 15:54
Replies: 6
by xgav8 » 07 Nov 2021, 20:08

Hey all,

Have replaced my blower motor & resistor and putting it all back together. But now I'm at the plug and I'm not sure which wire goes into...

6 Replies

1231 Views

Last post by Robsey
09 Nov 2021, 15:54
Electric fuel pump problem

Last post by AngeloEvs « 08 Nov 2021, 22:20
Replies: 13
by Ray » 08 Nov 2021, 17:18

After 10 months still having trouble with my electric petrol pump failing. I have tried checking everything in the elecric system and after 7...

13 Replies

1956 Views

Last post by AngeloEvs
08 Nov 2021, 22:20
Instrument Cluster Swap

Last post by AngeloEvs « 08 Nov 2021, 17:49
Replies: 7
by Oilline » 07 Nov 2021, 15:02

Am I able to fit the instrument cluster from my late ‘85 German market petrol van with rev counter and digital clock to my ‘88 Uk market petrol Doka...

7 Replies

2789 Views

Last post by AngeloEvs
08 Nov 2021, 17:49
Sliding door wiring

Last post by Stesaw « 07 Nov 2021, 19:26
Replies: 4
by adsnape » 07 Nov 2021, 17:02

I have a brown 12v live wire hanging in the forward sliding door post that connects to a light. Does anyone know where the other end connects to? I...

4 Replies

1036 Views

Last post by Stesaw
07 Nov 2021, 19:26
Tailgate wiring

Last post by Robsey « 07 Nov 2021, 10:11
Replies: 9
by Rascal » 04 Nov 2021, 12:40

Im in the process of reinstating the central locking on my van and the rear wiring has been cut at some point im assuming when the tailgate was...

9 Replies

1420 Views

Last post by Robsey
07 Nov 2021, 10:11
Heater resistors

Last post by WILKS « 07 Nov 2021, 09:10

by WILKS » 07 Nov 2021, 09:10

1.6 JX 1989
I am I the process of carrying out the full heater box overhaul but am unable to purchase the (gold type) resistors BW nil stock .. can...

0 Replies

1929 Views

Last post by WILKS
07 Nov 2021, 09:10
1989 F reg 2.1 Dj syncro with no brake lights?

Last post by spanishfly « 01 Nov 2021, 18:08
Replies: 1
by spanishfly » 31 Oct 2021, 22:17

Struggling with a lack of brake lights.

Bulbs good, fuse good.

I have live at the switches under the master cylinder on the red/yellow all the...

1 Replies

648 Views

Last post by spanishfly
01 Nov 2021, 18:08
Relay 292, a technical study.

Last post by keynsham1 « 01 Nov 2021, 08:08
Replies: 25
by bigbadbob76 » 05 Dec 2017, 09:52
1

2
Lots of folks seem to have issues with relay 292 headlight buzzer...
here's my story. :lol:
If you just want an easy solution read the red bit...
25 Replies

12640 Views

Last post by keynsham1
01 Nov 2021, 08:08
120 amp alternator worthwhile ?

Last post by bigherb « 31 Oct 2021, 15:43
Replies: 12
by MagicWagon » 30 Oct 2021, 16:50

I been recommended this place to upgrade my defunkt alternator for my 2.0l '83 Aircooled devon.
They can fully rebuild it as a 65amp for £110...

12 Replies

3425 Views

Last post by bigherb
31 Oct 2021, 15:43
Alternator kaput ?

Last post by MagicWagon « 29 Oct 2021, 18:21
Replies: 23
by MagicWagon » 27 Oct 2021, 11:05
1

2
Hi. All. Am on hols in Wales and I think my alternator may have had it. Alternator light on dash stays on. Voltage at battery doesn't increase when...
23 Replies

3486 Views

Last post by MagicWagon
29 Oct 2021, 18:21
I’m sure this is easy, but… fitting a new heater switch.

Last post by KenT3 « 29 Oct 2021, 14:50
Replies: 2
by KenT3 » 10 Oct 2021, 18:47

Hi
I’m been the proud owner of Ollie since August 22nd. We’re getting some minor electric work done and the auto electrician has gone off ill poor...

2 Replies

747 Views

Last post by KenT3
29 Oct 2021, 14:50
Van Not turning over question.

Last post by ajsimmo « 29 Oct 2021, 08:50
Replies: 43
by pleasestartnow » 25 Jul 2021, 13:23
1

2

3
Hi all,

Quick question, for the last week dome of the time I go to start the van it doesn't turn over the first time but does the second or third....
43 Replies

9030 Views

Last post by ajsimmo
29 Oct 2021, 08:50
Failed mot on nearside headlight

Last post by Bryce « 28 Oct 2021, 10:11
Replies: 20
by Bryce » 27 Oct 2021, 15:41
1

2
So I have made a bit of a whoopsie, meant to be going away on Friday and didn't realise mot was past due.

Just had it back and it's been failed on...
20 Replies

2920 Views

Last post by Bryce
28 Oct 2021, 10:11
Mystery wire...?

Last post by Aidan « 27 Oct 2021, 08:50
Replies: 9
by spanishfly » 16 Oct 2021, 19:14

Finally finished rebuilding the 2.1 engine in my syncro learned a lot along the way. I started it today and am working through a few electrical...

9 Replies

1428 Views

Last post by Aidan
27 Oct 2021, 08:50
Headlight relay upgrade

Last post by Robsey « 24 Oct 2021, 09:57
Replies: 12
by scotttie » 10 Mar 2021, 12:58

I know this topic has been done to death, so I have tried to read as many old posts as I could find on here and the wiki but I still have a couple of...

12 Replies

8060 Views

Last post by Robsey
24 Oct 2021, 09:57
Instrument clusters

Last post by AngeloEvs « 23 Oct 2021, 20:34
Replies: 1
by Gordo89 » 23 Oct 2021, 18:01

I will be putting the van back together shortly and wondered if the instrument cluster can be bench tested prior to fitting.
Mainly to see if the...

1 Replies

759 Views

Last post by AngeloEvs
23 Oct 2021, 20:34
Speedometer problem

Last post by TONYT25T25 « 23 Oct 2021, 17:12
Replies: 27
by TONYT25T25 » 22 Nov 2020, 10:02
1

2
Speedometer playing up again, I have unclipped it from behind the binnacle and put a few drops of 3 in 1 oil down it, but it is still not right,...
27 Replies

9137 Views

Last post by TONYT25T25
23 Oct 2021, 17:12
Temp gauge sits high?

Last post by maxstu « 22 Oct 2021, 20:59
Replies: 9
by Shinnster » 21 Oct 2021, 13:39

Hi,

When i drive my van the temp gauge sits above half, just below 3/4's and wondered if this is normal?
i'm scared to drive long distances at the...

9 Replies

2170 Views

Last post by maxstu
22 Oct 2021, 20:59
Choke wire fire

Last post by MagicWagon « 21 Oct 2021, 10:36
Replies: 8
by MagicWagon » 18 Oct 2021, 19:09

Had a bit of a scare this evening. I was adjusting the automatic chokes on my 83 2.0L air cooled as it was running very fast on choke. I took off the...

8 Replies

1739 Views

Last post by MagicWagon
21 Oct 2021, 10:36
headlight upgrade kit review

Last post by syncroandy « 20 Oct 2021, 10:54
Replies: 3
by RCN » 19 Oct 2021, 19:36

Hello collective hive
Asked a couple of the guys here about these headlight upgrades they did but wondering if anyone else has any view - good or bad...

3 Replies

1327 Views

Last post by syncroandy
20 Oct 2021, 10:54
Dash light short out ,smoke filled cab

Last post by innocenti « 18 Oct 2021, 10:16
Replies: 15
by innocenti » 10 Oct 2021, 17:37
1

2
Hi pics attached
Would the failure of the dash variation illumination light cause this ?
Last night dashs light flickered then off totally before...
15 Replies

2574 Views

Last post by innocenti
18 Oct 2021, 10:16
Speedo Needle

Last post by sauce1001 « 17 Oct 2021, 08:56
Replies: 3
by sauce1001 » 16 Oct 2021, 20:15

Hi all, I've just changed my KPH speedo to MPH using a vinyl overlay. This involved removing the needle and the 2 small screws on the face. I've...

3 Replies

782 Views

Last post by sauce1001
17 Oct 2021, 08:56
Bulb for brake warning

Last post by Robsey « 16 Oct 2021, 18:17
Replies: 2
by chrism589 » 16 Oct 2021, 14:37

Hi.

Got a 87 T25. The bulb for the handbrake warning light is missing. I can't find the correct model bulb to use on various forums.
Can anyone...

2 Replies

703 Views

Last post by Robsey
16 Oct 2021, 18:17
Reverse lights no worky ??

Last post by ScienceBoy « 13 Oct 2021, 17:47
Replies: 24
by KINGPRAWN » 17 Mar 2016, 14:27
1

2
Hi all, 2.1 Syncro 87 ... Reverse lights don't work ... And perhaps haven't in years ???
Think I found the switch ( left side of the gearbox on the...
24 Replies

15706 Views

Last post by ScienceBoy
13 Oct 2021, 17:47
new door and rear speakers :D

Last post by fh9977 « 13 Oct 2021, 08:53

by fh9977 » 13 Oct 2021, 08:53

Hi - I replaced my door and rear speakers yesterday, van still had the stock Blaupunkt made in West Germany. I was never a fan of the Blue Dot as a...

0 Replies

2096 Views

Last post by fh9977
13 Oct 2021, 08:53
Dashboard Switch Illumination.

Last post by keynsham1 « 12 Oct 2021, 20:01
Replies: 2
by keynsham1 » 12 Oct 2021, 18:14

I am currently refitting my dash and the instrument console and have noticed that there are some switches that light up with the lights and some...

2 Replies

831 Views

Last post by keynsham1
12 Oct 2021, 20:01
New headlights smoked? Brickwerks

Last post by Jonnyb416 « 12 Oct 2021, 13:13
Replies: 5
by Jonnyb416 » 09 Oct 2021, 18:22

Hi all,

I’m slightly confused as Brickwerks have the H4 headlights available in a set but you can’t order them individually. I’d order the set but...

5 Replies

1197 Views

Last post by Jonnyb416
12 Oct 2021, 13:13
Location of 12v Fuse

Last post by JamieQPR « 11 Oct 2021, 16:22
Replies: 13
by otherking » 20 Oct 2016, 18:09

Hey there!
First time posting here..

I've recently bought my first T25 (1989 California) and I believe my 12v fuse might have blown as the inside...

13 Replies

5690 Views

Last post by JamieQPR
11 Oct 2021, 16:22
Reverse lights inop

Last post by Aidan « 11 Oct 2021, 13:18
Replies: 4
by WILKS » 06 Oct 2021, 17:06

1.6 JX 1986 5 speed .. I have an intermittent fault with the reverse lights , fitted a new switch ex BW ,lights are still operating very...

4 Replies

919 Views

Last post by Aidan
11 Oct 2021, 13:18
Rear Fog Light Voltage Mystery

Last post by syncroandy « 05 Oct 2021, 15:26
Replies: 7
by PaulG » 29 Sep 2021, 17:50

Hi all,

1989 RHD genuine UK van

My rear fog light looked dim, so I started investigating. I have discovered that the voltage between the feed wire...

7 Replies

2606 Views

Last post by syncroandy
05 Oct 2021, 15:26
Dash Light Question

Last post by gary1998 « 30 Sep 2021, 22:29
Replies: 4
by Ant-t » 29 Sep 2021, 21:33

The dash light for my temp/fuel guages (on the right) has stopped working, looking closer the metal strip has disintegrated so there no power...

4 Replies

1710 Views

Last post by gary1998
30 Sep 2021, 22:29
Blower pwm upgrade

Last post by airheadboxer « 29 Sep 2021, 19:47
Replies: 12
by Lanciaman » 04 Sep 2021, 10:08

I've got my dash out at the mo, so am going to fix the blower motor and like the idea of the pwm upgrade.
But I can't find much about it, and Bw's,...

12 Replies

3105 Views

Last post by airheadboxer
29 Sep 2021, 19:47
How reliable are the fuel tank gauge sender units

Last post by weimarbus « 29 Sep 2021, 17:26
Replies: 4
by weimarbus » 28 Sep 2021, 16:15

Hi, as per post title, I just wondered from those with more experience of tank replacement whether the tank sender units are generally reliable or do...

4 Replies

2698 Views

Last post by weimarbus
29 Sep 2021, 17:26
Hooking up a portable solar panel

Last post by sweetaswesty « 28 Sep 2021, 13:01
Replies: 9
by sweetaswesty » 22 Sep 2021, 07:48

I've noticed on some photos and videos that it's possible to run a cable and connection for a portable solar panel into the van through the ac power...

9 Replies

2334 Views

Last post by sweetaswesty
28 Sep 2021, 13:01
New Leisure Wiring - Asking For Your Experience and Advice

Last post by oli8925 « 23 Sep 2021, 17:15
Replies: 6
by oli8925 » 30 Aug 2021, 16:08

Hi everyone,

As per title I'm putting together the plans to wire in a completely new leisure loom. This is my first time wiring up a leisure system,...

6 Replies

1645 Views

Last post by oli8925
23 Sep 2021, 17:15

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