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
T25 dashboard dimmer switch	syncroandy	12 Jul 2025, 07:39	2 times this week	Electrical & Instrumentation

Topics

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Last post

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

2254 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

2162 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

2742 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

1384 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

1097 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

1424 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

3279 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

6983 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

1634 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

1656 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

3069 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

10423 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

6888 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

3043 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

18532 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

2616 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

24045 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

3302 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

1335 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

1492 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

1498 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

979 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

3524 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

3931 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

2913 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

2169 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

6816 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

1250 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

1740 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

3741 Views

Last post by printmonkey
09 Aug 2016, 19:50
Blue and white cable!

Last post by Jimmy659 « 09 Aug 2016, 17:38
Replies: 1
by Jimmy659 » 09 Aug 2016, 15:10

Hi again,

I have just posted a topic regarding my leisure battery. I have another question; there are four cables feeding from what I assume is the...

1 Replies

890 Views

Last post by Jimmy659
09 Aug 2016, 17:38
Leisure battery

Last post by ghost123uk « 09 Aug 2016, 07:48
Replies: 12
by Fozziebear » 17 Jul 2016, 09:26

Hi people,
I need to get a new leisure battery for my Westfalia California is it just case of swapping for what I currently have in there how much...

12 Replies

6210 Views

Last post by ghost123uk
09 Aug 2016, 07:48
Oil Pressure Gauge Instal

Last post by Scaramanga1965 « 07 Aug 2016, 14:59
Replies: 2
by Scaramanga1965 » 06 Aug 2016, 22:35

Hi All

Please can someone help me with my install of a VDO 5 Bar Oil Pressure gauge?
I have connected a new wire from the twin sender G and WK....

2 Replies

1047 Views

Last post by Scaramanga1965
07 Aug 2016, 14:59
Leisure battery polarity

Last post by JonathanR « 06 Aug 2016, 10:30
Replies: 2
by JonathanR » 06 Aug 2016, 09:03

Quick question - I stupidly did not pay attention when taking out my leisure battery and on refitting am plagued with doubts as to which way in it...

2 Replies

974 Views

Last post by JonathanR
06 Aug 2016, 10:30
Parking camera wiring

Last post by bigherb « 06 Aug 2016, 08:15
Replies: 3
by Nathanb » 06 Aug 2016, 00:31

My wireless parking camera has stopped working. The wireless transmitter that is located in the engine bay has packed up. Instead of buying a...

3 Replies

1109 Views

Last post by bigherb
06 Aug 2016, 08:15
Connector types

Last post by CovKid « 05 Aug 2016, 18:35

by CovKid » 05 Aug 2016, 18:35

Quite interesting. Which will go first? Place your bets :shock:

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

0 Replies

1153 Views

Last post by CovKid
05 Aug 2016, 18:35
Temp gauge - have I gone mad?

Last post by Ads1987 « 04 Aug 2016, 21:27
Replies: 6
by Ads1987 » 02 Aug 2016, 22:16

Sorry all this is probably a stupid question, I'm sure my temp gauge used to rest on right, now it starts from the left and goes right as the engine...

6 Replies

1769 Views

Last post by Ads1987
04 Aug 2016, 21:27
Starter earth

Last post by T3luestar « 04 Aug 2016, 20:47
Replies: 3
by Budgie7 » 04 Aug 2016, 19:49

Been replacing some of the old earth straps and don't know why but I thought that the starter should have an earth from the body/ bolts to the...

3 Replies

1367 Views

Last post by T3luestar
04 Aug 2016, 20:47
Thermal runaway - a warning to all owners

Last post by CovKid « 04 Aug 2016, 19:43
Replies: 17
by CovKid » 19 May 2016, 19:41
1

2
I should make it clear that I know of no instances of T25 fires due to fan resistors (thinking of Vauxhall Zaphira here) but I'm not a fan of using...
17 Replies

8336 Views

Last post by CovKid
04 Aug 2016, 19:43
13.8v at battery. Is it enough to run lpg sat nav and lights

Last post by Sir Brixalot « 04 Aug 2016, 05:15
Replies: 4
by Sir Brixalot » 02 Aug 2016, 22:06

I'm having a problem where the lpg suddenly cuts off whilst driving. After stopping and checking the battery it's virtually flat despite being full...

4 Replies

1383 Views

Last post by Sir Brixalot
04 Aug 2016, 05:15
Can anyone identify this part ?

Last post by pandp38 « 03 Aug 2016, 14:27
Replies: 3
by pandp38 » 01 Aug 2016, 14:49

I have just replaced the headlights on campervan and found an electrical device I don't recognise.
It looks like some sort of resistor approx 80mm...

3 Replies

1793 Views

Last post by pandp38
03 Aug 2016, 14:27
Head light main beam/dip not working

Last post by Stano999 « 03 Aug 2016, 09:46
Replies: 6
by Stano999 » 19 Jul 2016, 23:29

Hi my name is Simon just bought my first bus, the only thing wrong is the main beam isn't working when I operate the control stem there is no click!...

6 Replies

2547 Views

Last post by Stano999
03 Aug 2016, 09:46
Temp gauge reading too low

Last post by Sagemagoo « 03 Aug 2016, 09:32

by Sagemagoo » 03 Aug 2016, 09:32

Hi all. 1.6TD Gipsy

I replaced the dashpod binnacle (clock not working and in kilometres) and now the temp gauge is way over to the left, it moves...

0 Replies

1160 Views

Last post by Sagemagoo
03 Aug 2016, 09:32
Starter-,motor or solenoid or bush

Last post by markdspark « 02 Aug 2016, 20:19
Replies: 4
by markdspark » 04 May 2015, 17:47

I turn the key there is a clunk from what sounds like the solenoid but engine does not turn. After a few tries engine turns and starts. Normally no...

4 Replies

1816 Views

Last post by markdspark
02 Aug 2016, 20:19
running towbar cable

Last post by boatbuilder « 01 Aug 2016, 09:11
Replies: 11
by pfield69 » 30 Jul 2016, 18:49

I have fitted a second hand tow bar but have needed to add a new socket.
Where should I run the cable into the engines bay? Drill & Grommet or is the...

11 Replies

3775 Views

Last post by boatbuilder
01 Aug 2016, 09:11
Fuel pump

Last post by burnzdog « 28 Jul 2016, 21:42
Replies: 20
by burnzdog » 25 Jul 2016, 14:09
1

2
Stupid question, where is the fuel pump on my 81 Aircooled 2L CU? Not getting any fuel from the tank at the moment. Just wondering does the tank have...
20 Replies

6021 Views

Last post by burnzdog
28 Jul 2016, 21:42
Can't disable buzzer of doom

Last post by garyd « 28 Jul 2016, 16:22
Replies: 10
by Alex56 » 25 Jul 2016, 18:44

I've got good oil pressure but the buzzer comes on as soon as I rev the engine.

I've earthed the wire which goes down to the switch by the pulley,...

10 Replies

2776 Views

Last post by garyd
28 Jul 2016, 16:22
Electronic display for gauges

Last post by bmouthboyo « 28 Jul 2016, 07:33
Replies: 3
by bmouthboyo » 28 Jul 2016, 02:39

Does anyone know of a successfully installed display that can show oil temp, pressure, mpg, coolant temp, tachometer etc?

I have seen some know...

3 Replies

1380 Views

Last post by bmouthboyo
28 Jul 2016, 07:33
indicators/hazard light not working

Last post by dave lfc « 27 Jul 2016, 08:30
Replies: 5
by dave lfc » 26 Jul 2016, 10:35

hi everyone my indicators and hazards are not working,when engaging indicators the green led lights up and the same also when i switch the hazard...

5 Replies

1677 Views

Last post by dave lfc
27 Jul 2016, 08:30
Sliding Door Press Stud

Last post by Mark S « 27 Jul 2016, 07:43
Replies: 4
by Mark S » 24 Jul 2016, 15:13

Hi there, fitted a pin switch to my sliding door to operate interior lights - all working.

Also bought one of these to fit onto the door to depress...

4 Replies

1821 Views

Last post by Mark S
27 Jul 2016, 07:43

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