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martinfiattech

Member Since: 13 Nov 2013
Location: leicester
Posts: 422

Hello just to add a bit more electrickery to the issue you could get a resettable / circuit breaker type fuse and use that all you have to do is reset it and good to go.
Google DURITE catalog all good bits and bobs in there ....

19th Jan 2014 7:37pm

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

use a fuse heavy enough to power the radio , clock , alarm and alarm going off so 4x indicators ,sounder because you don't want the fuse blowing when alarm goes off if someone breaks a window to nick something and not whole car.

and sometimes you may want to leave side/park lights so you need to allow for them too

19th Jan 2014 7:47pm

danridge

Member Since: 28 May 2013
Location: Bath
Posts: 438

Thanks Martin

Thanks Munch - any idea what rating fuse I'd need to cope with the alarm etc?

19th Jan 2014 9:32pm

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

rough workout about 20amp total

try to get in the habit of switching isolator on before turning on key as not really a good thing to power ecu up then blow fuse

be nice if you could put flashing led to tell you if isolator off but not to easy as with the link wire your not turning if right off just putting a weak link in circuit really

COME ON THEN FOLKS HOW COULD YOU PUT A FLASHING LED TO TELL YOU ISOLATOR IS OFF

19th Jan 2014 9:58pm

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

problem to solve in above post !

19th Jan 2014 10:14pm

dondiddy

Member Since: 13 Nov 2012
Location: Hamilton
Posts: 224

If the vehicle has an alarm then it should already have a flashing LED! Me thinks this is starting to get overcomplicated!

19th Jan 2014 10:33pm

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

yes does have led already but want one to tell isolator is off to save blowing fuse by mistake

19th Jan 2014 10:36pm

dondiddy

Member Since: 13 Nov 2012
Location: Hamilton
Posts: 224

One way of doing this i suppose would be to use one of these Ebay item no eBay Item No. 400645684369 and modify the knob of the isolator switch to accept a plastic disc. Mounting the pin switch through the seatbox next to the isolator so that the pin is pushed in when the isolator is on but makes contact and a path to earth when the isolator is switched off. There is a certain amount of linear movement in the isolator switch which should be enough to move the pin. Ie the complete knob moves in towards the isolator switch when it is turned and locked in the on position and does the reverse(move away) when it is switched off. A dummy alarm led would then be wired to the positive of the isolator and use the pin switch as an earth. Hope this makes sense!

It does to me!

Edit: there are cheaper pins available than the one i have shown so would be worth doing a search for alarm pin and choosing a cheaper option!

20th Jan 2014 3:51pm

danridge

Member Since: 28 May 2013
Location: Bath
Posts: 438

Thanks guys

I'll digest this lot but given I had to ask the original question and therefore am a numpty with electrics I'll probably just have the cut off switch with inline fuse.

Really appreciate the help and ideas

20th Jan 2014 7:06pm

danridge

Member Since: 28 May 2013
Location: Bath
Posts: 438

Finally got this sorted. Big thanks for the help and advice chaps

28th Feb 2014 11:41pm

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