djedstar
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Registered: 22nd Jan 07
Location: Keighley, West Yorkshire
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i was changing the bulbs in my heater console and suddenly nothing works apart from my cd player and interior light wtf has happened please help
[Edited on 25-03-2009 by djedstar]
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fazza
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Registered: 7th Feb 08
Location: Plymouth
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the cover for the fuses has a diagram as to where it is
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djedstar
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Registered: 22nd Jan 07
Location: Keighley, West Yorkshire
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i have looked at that what symbol am i looking for though?
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AlunJ
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Registered: 3rd Apr 07
Location: Newport
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Fuse 19 I think, could be 17 or 18 though (according to my TD Haynes manual)
edit: just had a look at my brothers petrol manual and that says theres is no F19 on petrols, but it does say possibly F1)
[Edited on 25-03-2009 by AlunJ]
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Fonz
Premium Member
Registered: 12th May 06
Location: Newbury, Berks
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Haynes manual or owners book
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djedstar
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Registered: 22nd Jan 07
Location: Keighley, West Yorkshire
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ye just looked in haynes it says fuse 17 i replaced it several times but the blue leds i have in my heater controls keep blowing the fuse this never happened on my old 1.2 8v so i have just put normal bulbs in for now until i find some more blue led bulbs also is the rear heated windscreen switch supposed to have a lightbulb in it on a 1998 sport?
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AlunJ
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Registered: 3rd Apr 07
Location: Newport
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odd that they keep blowing it :S They look nice but they're such a pain in the neck I gave up and put standards back in on the B, wouldn't mind doing the C dash blue but don't think I'll bother. Ummm my 1998 GLS did so I imagine so
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adz_gsi
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Registered: 20th Sep 08
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easy option what i did to a mates when this happened was replace with bigger fuse (e.g 30amp)
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John
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Registered: 30th Jun 03
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That's a terrible idea.
Led's will use at most the same current, should be less than the original bulbs.
Putting in a bigger fuse instead of finding whats causing the problem is a massive fire risk.
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pow
Premium Member
Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
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Try putting the LEDs in the other way round, the polatirty of LEDs matters (bulbs dont) so that may be doing it.
Don't put a bigger fuse it, you could melt the wiring.
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adz_gsi
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Registered: 20th Sep 08
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yh but after fkking bout said they looked taky so got removed and redone to standard
whati meant wwas better quality fuse
[Edited on 25-03-2009 by adz_gsi]
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AlunJ
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Registered: 3rd Apr 07
Location: Newport
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god don't put a bigger fuse in lol, I wouldn't have thought it could blow if put in the wrong way pow because of the diode surely no current would pass through the circuit
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djedstar
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Registered: 22nd Jan 07
Location: Keighley, West Yorkshire
User status: Offline
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thats what i was thinking i dont have tht many 10a fuses lol
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Rob H
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Registered: 28th Oct 00
Location: Staffordshire Drives: Astra SRi
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Most likely the legs in one of the LED's (not sure if you've used shrouded bent pins, or plastic bodied ones) are touching together and just causing the fuse to go. Put them in one by one/test each one on a 9V battery or something to see which one's causing it  .
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djedstar
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Registered: 22nd Jan 07
Location: Keighley, West Yorkshire
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thanks sounds like a logical explanation
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Cypriot_Sri_Geeza
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Registered: 9th Jun 08
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quote:
Originally posted by adz_gsi
easy option what i did to a mates when this happened was replace with bigger fuse (e.g 30amp)
NEVER
DO
THIS!!!
had many a burnt out loom due to this...
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Ste
Premium Member
Registered: 5th Mar 03
Location: Taif, Saudi Arabia
User status: Offline
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quote:
Originally posted by Cypriot_Sri_Geeza
had many a burnt out loom due to this...
Didn't you learn after the first time? 
I would rather lose by a mile because i built my own car, than win by an inch because someone else built it for me.
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Cypriot_Sri_Geeza
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Registered: 9th Jun 08
User status: Offline
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quote:
Originally posted by Ste W
quote:
Originally posted by Cypriot_Sri_Geeza
had many a burnt out loom due to this...
Didn't you learn after the first time?
not personally...work in a garage...
[Edited on 25-03-2009 by Cypriot_Sri_Geeza]
[Edited on 25-03-2009 by Cypriot_Sri_Geeza]
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Pip308
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Registered: 25th Oct 07
Location: Basingstoke Drives: Audi A4 Avant, Mk1 Caddy
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quote:
Originally posted by pow
Try putting the LEDs in the other way round, the polatirty of LEDs matters (bulbs dont) so that may be doing it.
Don't put a bigger fuse it, you could melt the wiring.
Bingo.
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Ste
Premium Member
Registered: 5th Mar 03
Location: Taif, Saudi Arabia
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tbh, a bit of tin foil works well too 
I would rather lose by a mile because i built my own car, than win by an inch because someone else built it for me.
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FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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quote:
Originally posted by Cypriot_Sri_Geeza
quote:
Originally posted by adz_gsi
easy option what i did to a mates when this happened was replace with bigger fuse (e.g 30amp)
NEVER
DO
THIS!!!
had many a burnt out loom due to this...
I dont understand how replacing with a bigger fuse melts things?
I thought that if you replaced the fuse with a higher one say from 20a to 30a then the circuit simply doesnt work as the fuse is stopping the current?
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pow
Premium Member
Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
User status: Offline
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LED sidelight in the Ibiza the wrong way round = no sidelights till I could find a mini blade 5 amp duse 
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Stu
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Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
User status: Offline
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quote:
Originally posted by FruitBooTeR
I thought that if you replaced the fuse with a higher one say from 20a to 30a then the circuit simply doesnt work as the fuse is stopping the current?
Nope, all a fuse is, is a weak point in the circuit! If there's a problem its the weak point that lets go, not everything else!
By putting in a higher fuse you are just strengthening that weak point so it will take more abuse before it blows! This could potentially mean everything else in the circuit will melt before the fuse blows!
I'm shit with wires though but that's the way I understand it!
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FruitBooTeR
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Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
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Oh right so if you increase the fuse then the current going through the circuit will increase to match the fuse rating..I understand now
I thought the current going through would have been constant and that with a higher fuse there wouldnt be enough getting through to power the leds.
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Stu
Member
Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
User status: Offline
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quote:
Originally posted by FruitBooTeR
Oh right so if you increase the fuse then the current going through the circuit will increase to match the fuse rating..I understand now
I thought the current going through would have been constant and that with a higher fuse there wouldnt be enough getting through to power the leds.
No, not really! The current is always the same, no matter what fuse is in there!
The reason for smaller fuses is that different circuits carry different currents.
For example the circuit for the dash lights will be a lot lower current than say the electric windows! If you put a 10A fuse in the electric window circuit it would blow constantly because of the higher current. Whereas if you put a 50A fuse in the dash wiring circuit and there was a problem, the wiring would melt before the fuse blew!
The wiring and connectors are suited to its job. The dash lights would be very thin wire whereas the electric windows would be a lot thicker.
Hope that makes sense?
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