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

What do all these wires do?

Last post by scottbott « 30 Jun 2017, 19:20
Replies: 9
by TheBeaver » 30 Jun 2017, 09:32

I have been trying to diagnose some starter problems we have been having and in that process removed the passenger seat to get at the battery. In...

9 Replies

3782 Views

Last post by scottbott
30 Jun 2017, 19:20
Sink water pump reccomendation

Last post by philyoung « 28 Jun 2017, 20:44
Replies: 13
by itchyfeet » 16 Jun 2017, 11:28

Can anybody reccomend a water pump for my camper please
it has to be an inline pump in the 1/2 plastic pipe and must be quiet.
The pump fitted works...

13 Replies

3061 Views

Last post by philyoung
28 Jun 2017, 20:44
Alternator diode query

Last post by what2do « 26 Jun 2017, 20:47
Replies: 12
by what2do » 26 Jun 2017, 08:12

A bit of a specific question this but who knows, we may have an alternator specialist amongst us. When testing the diodes in a rectifier, does...

12 Replies

2404 Views

Last post by what2do
26 Jun 2017, 20:47
Flickering charging light - regulator query.

Last post by what2do « 25 Jun 2017, 19:08
Replies: 44
by what2do » 08 Jun 2017, 13:34
1

2

3
Recently replaced the regulator as the red light had begun to flicker, only at high rpm initially and then progressively it would illuminate more...
44 Replies

8996 Views

Last post by what2do
25 Jun 2017, 19:08
Difference between CU and DG ignition parts?

Last post by itchyfeet « 25 Jun 2017, 07:59
Replies: 2
by itchyfeet » 24 Jun 2017, 18:29

Anybody know if I can swap out a CU coil and ignition amp with DG parts just for the purpose of fault finding?
ignition module looks the same in...

2 Replies

1260 Views

Last post by itchyfeet
25 Jun 2017, 07:59
Live to diesel pump at fuse box?

Last post by vanagonvanagon « 24 Jun 2017, 11:00

by vanagonvanagon » 24 Jun 2017, 11:00

Hi, all..in an attempt to fit a stealth cut-off switch on my 1.7D van, I am hoping someone may be able to point me in the right direction as to...

0 Replies

1601 Views

Last post by vanagonvanagon
24 Jun 2017, 11:00
Icv buzz on my bluestar

Last post by gwynny « 22 Jun 2017, 17:26

by gwynny » 22 Jun 2017, 17:26

My bluestar 2.1 ss is running like a bag of poo, I've noticed that the ICV does not buzz with the ignition on, unless I unplug the temp 2 sender??

0 Replies

1490 Views

Last post by gwynny
22 Jun 2017, 17:26
Alternator question

Last post by Oldiebut goodie « 19 Jun 2017, 19:58
Replies: 1
by itchyfeet » 19 Jun 2017, 19:16

Will a JX diesel alternator fit a WBX?
thanks

1 Replies

753 Views

Last post by Oldiebut goodie
19 Jun 2017, 19:58
Blower switch plug

Last post by R0B « 19 Jun 2017, 16:07
Replies: 1
by Sir Brixalot » 19 Jun 2017, 15:00

The switch was stuck on full. Ive ordered the blower switch from brickwerks but the plug it fits on has melted. Anyone know if its still possible to...

1 Replies

758 Views

Last post by R0B
19 Jun 2017, 16:07
Solar panel fitting

Last post by CovKid « 15 Jun 2017, 22:38
Replies: 4
by alank950 » 12 Jun 2017, 15:50

I am looking at possibly fitting a solar panel kit to my van.Its a high top and i was wondering if there are any kits on the market where i can mount...

4 Replies

1679 Views

Last post by CovKid
15 Jun 2017, 22:38
Analogue clock not working

Last post by richlaz « 15 Jun 2017, 18:00
Replies: 6
by richlaz » 07 Jun 2017, 17:11

The analogue clock in my instrument panel doesn't work. Hasn't for years... Used to be intermittent, but now never moves.

Speedo, lamps, temp...

6 Replies

2635 Views

Last post by richlaz
15 Jun 2017, 18:00
how to fit an aftermarket temp.gauge

Last post by robinsbw « 12 Jun 2017, 08:23

by robinsbw » 12 Jun 2017, 08:23

Hi there! I'd like to fit an aftermarket temp. gauge to my dg1.9 hightop,the new temp. gauge has a different type of temp. sensor to the one on my...

0 Replies

1983 Views

Last post by robinsbw
12 Jun 2017, 08:23
Non starting AFN

Last post by spanishfly « 11 Jun 2017, 23:06
Replies: 4
by spanishfly » 11 Jun 2017, 20:40

Apologies if this is dumb but I'm driving myself mad... again!
I just changed my gearbox tightened it up and van wouldn't start.
Found I had...

4 Replies

1537 Views

Last post by spanishfly
11 Jun 2017, 23:06
Square headlights

Last post by Lanciaman « 11 Jun 2017, 19:03
Replies: 2
by Lanciaman » 11 Jun 2017, 08:57

Request for advice, please.
Are the inner 'square' headlights on such conversions handed to suit LHD or RHD?

2 Replies

1126 Views

Last post by Lanciaman
11 Jun 2017, 19:03
Hall Sender replacement 034998065

Last post by Ralf85 « 11 Jun 2017, 11:33
Replies: 5
by Ralf85 » 10 Jun 2017, 14:57

I want to buy one of these. Reading up on options, I've noted that at least one needs fettling before it fits. Versions are out there made by Facet,...

5 Replies

1629 Views

Last post by Ralf85
11 Jun 2017, 11:33
1.9 dg 1986

Last post by kevtherev « 11 Jun 2017, 07:44
Replies: 1
by thebeach2008 » 01 Jun 2017, 18:49

hi, i have noticed that my blue oil pressure switch is disconnected,and a wire to the coil has been cut, can someone tell me how to reconnect the...

1 Replies

1038 Views

Last post by kevtherev
11 Jun 2017, 07:44
Do 2.1 alternators fit 2.0 Aircooled CU engines?

Last post by spherehopper « 09 Jun 2017, 19:26
Replies: 8
by toolsntat » 08 Jun 2017, 11:57

I believe that they should have the higher amp fitted but cannot get at it to see yet.
Same shape across the models I guess?
Cheers
Andy

8 Replies

2655 Views

Last post by spherehopper
09 Jun 2017, 19:26
Charging leisure battery also charges main van battery?

Last post by chewbacca « 09 Jun 2017, 13:50
Replies: 6
by Tinium » 04 Jun 2017, 09:52

I've just fitted a CTEK charger to my leisure battery, so I can keep it topped up when on hook-up.

It's connected directly to the leisure battery,...

6 Replies

2810 Views

Last post by chewbacca
09 Jun 2017, 13:50
Newly fitted rev counter fluctuates wildly

Last post by ripley « 08 Jun 2017, 09:30
Replies: 12
by ripley » 30 May 2017, 16:05

Hi,

Fitted a rev counter (this one: ) to our van (petrol, 2.1 MV) over the weekend and something's not right.
The needle fluctuates wildly and is...

12 Replies

4518 Views

Last post by ripley
08 Jun 2017, 09:30
Idle stablizer question

Last post by Reverend « 08 Jun 2017, 05:25
Replies: 14
by Reverend » 23 Feb 2017, 08:03

I think i have a faulty stabilizer in my 2.1DJ syncro and i wonder does any other VAG stabilizer fit? Any ideas?

14 Replies

9533 Views

Last post by Reverend
08 Jun 2017, 05:25
Alternator help !

Last post by Joker Hogg « 07 Jun 2017, 17:03
Replies: 4
by Joker Hogg » 07 Jun 2017, 10:30

Hi
I have a 84 westy 1.9 WBX and I'm off to Le Mans on Wednesday
I was running a few checks on the weekend and found the alternator wasn't putting...

4 Replies

1446 Views

Last post by Joker Hogg
07 Jun 2017, 17:03
VDO Mounting Bracket

Last post by coolrunnings « 07 Jun 2017, 14:37
Replies: 4
by Mark S » 02 Jun 2017, 13:00

In order to monitor a bit better what's going on, I'm thinking of installing an additional bank of 3 x 52mm VDO gauges (boost, oil temp and oil...

4 Replies

1820 Views

Last post by coolrunnings
07 Jun 2017, 14:37
How to check if something is drawing on my battery

Last post by timski « 06 Jun 2017, 18:24
Replies: 11
by timski » 24 May 2017, 20:15

Hi Guys,

I've got a suspicion something is drawing on my leisure battery even when I think I've turned everything off. Is there a way of testing for...

11 Replies

3702 Views

Last post by timski
06 Jun 2017, 18:24
Fitting rear wash wipe

Last post by CovKid « 06 Jun 2017, 09:20
Replies: 1
by philmcC » 05 Jun 2017, 14:05

Having waited a long time to do this I eventually had everything that I needed. There are 3 wires that come from the fuse box, green and white for...

1 Replies

951 Views

Last post by CovKid
06 Jun 2017, 09:20
Blower fan does not work now in my 1981 T25

Last post by al*mk1 « 05 Jun 2017, 15:24
Replies: 35
by JABMO » 02 May 2012, 12:40
1

2

3
Hello T25 fans

My heater/blower fan as stopped working when I turn the dial to any of the one of three settings that is on the dial.

Has any one...
35 Replies

30028 Views

Last post by al*mk1
05 Jun 2017, 15:24
New Van - Split charge relay wiring issue?!?!

Last post by al*mk1 « 05 Jun 2017, 14:46
Replies: 9
by al*mk1 » 02 Jun 2017, 21:35

Hi All,

A newbie to the T25 world but not 80's VW's - My other car is a Mk1 Golf Gti .

I hope someone can help me with a split charge issue?
The...

9 Replies

3894 Views

Last post by al*mk1
05 Jun 2017, 14:46
Green label coil test

Last post by itchyfeet « 04 Jun 2017, 13:48

by itchyfeet » 04 Jun 2017, 13:48

measures 6.9kohm on secondary which is greg coil spec.

Does this mean it's knackered?

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

0 Replies

1444 Views

Last post by itchyfeet
04 Jun 2017, 13:48
Analogue Clock (which to buy)

Last post by crazyhorse « 04 Jun 2017, 10:47
Replies: 8
by crazyhorse » 13 May 2017, 20:57

Me again,

I miss a clock in the van, so I know how late I am.

Any suggestions on which to buy?? Saw one on Campervan Culture but thats pricey....

8 Replies

2607 Views

Last post by crazyhorse
04 Jun 2017, 10:47
JX alternator fault

Last post by Fatfranky « 03 Jun 2017, 10:58

by Fatfranky » 03 Jun 2017, 10:58

Hi

Can anyone help, I recently did an engine overhaul on my bus, the engine was out for a couple of months and foolishly I left the alternator lying...

0 Replies

1408 Views

Last post by Fatfranky
03 Jun 2017, 10:58
So many questions where do I start?

Last post by Oldiebut goodie « 02 Jun 2017, 20:31
Replies: 2
by TheBeaver » 02 Jun 2017, 20:04

I recently bought a T3 off a girl that never really drove it before she sold it. The guy before her had owned it had had it for a while (the Leisure...

2 Replies

1212 Views

Last post by Oldiebut goodie
02 Jun 2017, 20:31
12v Fridge with ignition

Last post by Ant-t « 02 Jun 2017, 19:50
Replies: 7
by Ant-t » 31 May 2017, 23:39

My kitchen refurbishment is nearly completed and I want to connect my 3 way fridge to the 12v ignition feed. All wiring is in place but a po had...

7 Replies

2141 Views

Last post by Ant-t
02 Jun 2017, 19:50
Chicken Switch Problem

Last post by itchyfeet « 02 Jun 2017, 14:26
Replies: 27
by PetenAli » 01 Jun 2017, 14:26
1

2
Afternoon All,

We are off to the Lakes in a fortnight and planning a trip that will take in all the big passes over three weeks. So I thought it...
27 Replies

11255 Views

Last post by itchyfeet
02 Jun 2017, 14:26
A different to the last post intermittent horn

Last post by syncroandy « 02 Jun 2017, 12:23
Replies: 7
by kit » 31 May 2017, 21:10

I have a different intermittent problem that the horn will sound once and then no power is registering at the steering wheel or one side of the horn,...

7 Replies

3421 Views

Last post by syncroandy
02 Jun 2017, 12:23
Intermittent horn

Last post by Deltic « 31 May 2017, 20:28
Replies: 4
by Deltic » 28 May 2017, 19:19

Hi folks,
Can anyone shed some light for me please. Had new horn slip ring fitted for MOT. All good until now, when I turn left in particular the...

4 Replies

1391 Views

Last post by Deltic
31 May 2017, 20:28
bosch wr7 dc+ spark plugs

Last post by Shaundon « 31 May 2017, 19:08
Replies: 2
by Shaundon » 31 May 2017, 11:51

says on the box the gap is 0.8mm but a few on here seem to be saying 0.7mm

should i set them to 0.7mm?

2 Replies

1971 Views

Last post by Shaundon
31 May 2017, 19:08
Adding a ctek charger - to just leisure battery or both?

Last post by Mark S « 31 May 2017, 15:18
Replies: 5
by Tinium » 10 Apr 2017, 12:47

Hi all,

Can't quite find the answer in the search, so apologies if this has been asked before :)

Looking to add a ctek 5.0 charger to keep my...

5 Replies

3026 Views

Last post by Mark S
31 May 2017, 15:18
Which battery

Last post by ajsimmo « 30 May 2017, 10:56
Replies: 11
by Dylan79 » 27 Apr 2017, 17:28

Hi guys, I've got a 1979 T25 LHD, the battery that I've got is an 065 and its dead. I think this battery might be the wrong one, could the right one...

11 Replies

3815 Views

Last post by ajsimmo
30 May 2017, 10:56
Rev counter.... I think we are going to need a bigger boat

Last post by nesty « 29 May 2017, 20:55
Replies: 23
by crazyhorse » 26 Apr 2017, 21:00
1

2
Well in my wisdom I decided to get a rev counter for the van...

Always like a rev counter and at £20 I thought why not. Didnt buy a geniune one...
23 Replies

7007 Views

Last post by nesty
29 May 2017, 20:55
VAG DIN Terminal numbers

Last post by adie89 « 29 May 2017, 17:45

by adie89 » 29 May 2017, 17:45

I find this really useful especially for making sense of wiring diagrams in Haynes and other.
Can it get uploaded to the wiki?
Ignition and current...

0 Replies

4118 Views

Last post by adie89
29 May 2017, 17:45
Alternator – Ammeter AMP's

Last post by nesty « 29 May 2017, 13:07
Replies: 5
by nesty » 28 May 2017, 14:10

On my van I have a bosch 90AMP alternator.
I have battery condition LCD indicators, so can see when voltage being applied to either starter battery &...

5 Replies

1486 Views

Last post by nesty
29 May 2017, 13:07
Rear heater fan speed resistor location?

Last post by Gary. « 28 May 2017, 20:30
Replies: 2
by Gary. » 28 May 2017, 18:55

Anybody know where the fan speed resistor for the rear heater in my doka is?

Many thanks.

2 Replies

973 Views

Last post by Gary.
28 May 2017, 20:30
2 speed rad fan

Last post by vwaddict « 26 May 2017, 23:17
Replies: 2
by vwaddict » 26 May 2017, 06:47

Hi can anyone tell me how the 2 speed rad fan should work, I've owned mainly air cooled over the years and I don't think mine is working as it...

2 Replies

1368 Views

Last post by vwaddict
26 May 2017, 23:17
no heater or wipers

Last post by jim potter « 26 May 2017, 21:33
Replies: 5
by jim potter » 25 May 2017, 21:31

OK. So I Ave lost my heater blower and wipers . Fuses are OK so I assume a relay.
Is it one relay that does them both..searching topics on this gets...

5 Replies

2045 Views

Last post by jim potter
26 May 2017, 21:33
12v Leisure - Negative Question

Last post by bigbadbob76 « 26 May 2017, 09:18
Replies: 7
by stupot73 » 18 May 2017, 17:20

Hi,

A quick question about 12v if I may please folks. I am rewiring the leisure electrics and was wondering about if I should bother running...

7 Replies

3553 Views

Last post by bigbadbob76
26 May 2017, 09:18
Got no Horn

Last post by sydny-punka « 25 May 2017, 21:02
Replies: 4
by sydny-punka » 24 May 2017, 19:43

Hi there

Wondering if any you nice peeps can assist please.

Had a new front upper body panel put on our 2.1l petrol caravelle a while back , and...

4 Replies

1835 Views

Last post by sydny-punka
25 May 2017, 21:02
Oil pressure and temperature gauges

Last post by itchyfeet « 25 May 2017, 18:55
Replies: 17
by ripley » 23 May 2017, 10:07
1

2
Hi all,

Currently looking to fit oil pressure and oil temperature gauges to our van (engine: 2.1 MV). We've found plenty of helpful stuff online and...
17 Replies

8979 Views

Last post by itchyfeet
25 May 2017, 18:55
Ignition electrical probs

Last post by burnzdog « 25 May 2017, 18:03

by burnzdog » 25 May 2017, 18:03

Hi all,

Not great with electric so need some help. Bus been running fine but suddenly had issues getting her to start. Closing inspection I could...

0 Replies

1332 Views

Last post by burnzdog
25 May 2017, 18:03
Indicator dash tell tale not always working

Last post by MarkyMarkJ « 25 May 2017, 12:33

by MarkyMarkJ » 25 May 2017, 12:33

Odd indicator question -
With the ignition off the indicator dash tell tale flashes correctly, as do the indicators.

With the ignition on all...

0 Replies

1373 Views

Last post by MarkyMarkJ
25 May 2017, 12:33
Battery Desulfator

Last post by adie89 « 25 May 2017, 06:53
Replies: 6
by CovKid » 17 May 2017, 15:04

Jury (for me) is out on whether desulfators (desulphators?) actually work but bought one anyway to try on a battery that has had a fair bit of use...

6 Replies

2325 Views

Last post by adie89
25 May 2017, 06:53

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