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Ignition Stays On Even If Key Position Is Off

Munkyb0y

By Munkyb0y,
in Car Audio & Electrical

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Munkyb0y Grand Master

Munkyb0y

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Posted (edited)

Hey guys. This only started recently.

If i switch ignition on, but dont start the car, and then turn the key to off, even remove it, the igniton lights stay on.

I have to then start the car, and then switch it off for it to behave normally.

Because i dont usually switch the ignition on without starting the car, i'm not that fussed. but I thought if some knows what it is...possibly a suspect relay or something easy, I could sort it out.

Cheers :)

Edited by Munkyb0y
Munkyb0y Grand Master

Munkyb0y

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Posted (edited)

mongoose m80

oh and it's probably important to mention. the first time this happened was when my battery went totally flat, and i couldnt crank the car over, i was just getting that click click. i turned the key to off position to go grab jumper leads, and the ignition lights stayed on. had never seen it before then.

it has a new battery now, and cranking perfectly.

Edited by Munkyb0y
Munkyb0y Grand Master

Munkyb0y

Posted
  • Author
Posted (edited)

thanks for your help over the phone leon.

i checked out all the relays and found the problem.

it was a previous modification, whereby the aircon relay is connected to the rad fan relay via a one way diode, which switches the thermo fan on everytime aircon is on. THREAD HERE

when i put it back to stock, the igniton behaved normally.

why is that happening? possibly the diode i used? (1N5404 which is 400V 3A)

what's another way to wire up that fan so it comes on with aircon? coz i can certainly notice an improvement in aircon with it wired up.

cheers

Edited by Munkyb0y

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