VN turns over by itself

[MiSs MeOw]

ok guys WTF............. when i connect the battery, the car wants to turn over by itself??? checked all the earths and nothing is touching, im baffled and its doing my head in

WTF???????????

[vn calais manual]

lol i guess its just started doing this? you havnt just re wired anything on the ignition side? sounds like youve bridged the wiring for the starter somewhere.

[MiSs MeOw]

lol i guess its just started doing this? you havnt just re wired anything on the ignition side? sounds like youve bridged the wiring for the starter somewhere.

havent rewired anything at all, it did start this by its self as my husband drove up the drive way and it stalled, went to start it again and it wouldn't start,

anyway he had a look around and found that the main power wire going to the starter and the little single wire had melted together from it being against the block, so we changed that part of the loom and yer now its trying to start by its self,

we've changed the loom with 2 diff one's from the orig and it still is doing that same thing...........

All i can think of now is Auto elec

[Not_An_Abba_Fan]

Maybe it fried the ignition switch. It could be melted inside so that there are terminals or wires touching. Unplug it from the barrel and have a look.

[m62vpute]

The single wire that goes to the starter motor is the trigger wire that makes the starter motor kick in when that gets power. I would say that it has melted somewhere further back in the wiring and getting constant 12 volt power

This would explain the car trying to start all the time

If you have a multi meter you could try removing the main power to the starter motor and testing the single (trigger wire) to see if it is getting constant power

[woteva]

Maybe the starter motor solenoid is stuck on ??
Remove the trigger wire to see if it still wants to start.

[MiSs MeOw]

mmmm ok ill try that single wire in the morning and see what happens

thanks guys its really doing my head in lol

[Clutchy]

Give the starter a little tap with a hammer it might just be stuck on.

[MiSs MeOw]

see i was thinking it wouldnt be the loom coz we've changed it thats whats making me confused but ill try the solinoid wire thingy tomorrow

and if that doesnt work ill get out the hammer lol **curses and hits the engine**

[89 vn]

Reminds me of a prob I had in my old VC, for some reason one day the car just kept auto accelerating at about 30km and it wouldnt stop even with the H/brake on it would be almost taking off. the problem fixed itself the same day but nothing cause it and i did nothing to fix it, it just stopped. Pretty cool to have a car you just have to point and brake

[MiSs MeOw]

ok guys i unplugged that purple wire to the solinoid on the starter motor, attatched the battery and it didnt start to turn over by itself and there is power to everything now,

so now my question is how do i figure out where the purple wire to the solinoid is getting the power from???

[woteva]

so now my question is how do i figure out where the purple wire to the solinoid is getting the power from???

Have you got a circuit diagram ?? Follow the circuit back from the starter. I would take a guess that now the starter motor is ok, the next place to look would be the starter motor relay (if there is 1).

[MiSs MeOw]

we dont have a circuit diagram

yeh starter motor is all good and the starter motor relay is all good too

is there another way to check where the power is coming from?

[woteva]

we dont have a circuit diagram

You are looking at a VN V6, try here http://www.memcals.com/pdf/VN_V6%20Wiring%20Diagram.pdf

Just looking at the starter circuit, there is not much that can go wrong.

EDIT: oops, just saw you had a VN V8. http://www.memcals.com/pdf/VN_V8%20Wiring%20Diagram.pdf

[Boonz]

the purple solenoid wire gets power from the starter motor relay in the fuse box above your battery, swap relays over with a similar one, if its not that then chances are your ignition switch is faulty and sticking at START instead of ON

[MiSs MeOw]

ok guys, my husband found where the power is commin from its commin from the relay called "LP CHK" wondering what does that mean?? and is it ment to be commin from there?? if not what would i have to do to change it??

Cheers guys thanx for all your help.

[MiSs MeOw]

ok now my husband is askin the plug that connects to that single purple wire, is it ment to split into 2 one going to the "START" relay and one going to the "LP CHK"??

He's tryed switchin relays and still the same thing, he's getting 12v from both the "START" and "LP CHK" Relays, is this right??

[MiSs MeOw]

he's worked it out, it was a relay, the LP CHK one what eva that one is so its all good now i think

[fatvn]

yeh had this problem with my landcruiser once was very lucky car was in gear in the driveway and 2 oclock in the morning heard a huge thud and the car had propelled forward into the house while trying to turn over itself . lucky my kids werent near it at the time or at a carpark somewhere. try telling this to the insurance company . it just started to turn over by itself and smashed through my house .lol. any way turned out to be moisture in the computer. got in through the door seals try your computer.