Engines cranks over as soon as the battery is connected

[Mike-4103 Junior Member Find all posts View Profile Close Mike-4103]

Hi guys

I have a weird on for you

As soon as my battery is connected the starter Motors goes


Keys not in the car and even with car in gear

Any ideas,

[Heath74 Senior Member Find all posts View Profile Close Heath74]

120 or150? Push button start?

[Mike-4103 Junior Member Find all posts View Profile Close Mike-4103]

120 or150? Push button start?

150 with pushbutton start

[Heath74 Senior Member Find all posts View Profile Close Heath74]

I'd be starting with the push button then.

[fido666 Banned Find all posts View Profile Close fido666]

A short perhaps?

[SWR Banned Find all posts View Profile Close SWR]

Gday Mike-4103

As soon as my battery is connected the starter Motors goes Keys not in the car and even with car in gear

My first question is why did you disconnect the battery in the first place?

Im guessing that if you installed any accessory's of any sort did you pick an ignition live wire that has activated the power supply to the starter solenoid because that is the only power supply that would throw out the armature to spin the starter motor!

Well?... That would be a question in the right direction i guess?

The more information you can provide then there is more chance of trying to work out what has happened?

I don't have a wiring diagram on the 150's but there could be something shorting the starter relay given that it even turns over with rig in gear as the inhibitor switch is supposed to break the circuit whilst in gear?

I would pull the starter rely out and see what happens?.... Then take it from there!

[SWR Banned Find all posts View Profile Close SWR]

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[MacroP Member Find all posts View Profile Close MacroP]

Had a quick look at the 150 wiring diagram just then. The start signal from the engine ECU goes through the neutral start switch as expected and drives the starter relay (which is in the engine bay fuse panel and labelled 'ST'). The relay then drives the stater motor coil directly. As mentioned in the earlier post remove the relay and go from there.

[Walky88 Member Find all posts View Profile Close Walky88]

Possibly a fault with the starter motor???

I know in one of my old commodores replaced the starter and then once i connected the battery the car started. Tapped the starter a few times and no problem!

[Mike-4103 Junior Member Find all posts View Profile Close Mike-4103]

Ok cheers guys

As for what lead to this

I washed the engine bay- took car for a drive 10-15 mins

Parked it then moved it again


Next day went to start it but battery flat as a tack only 5 volts in it,

Tried jump starting , as soon as the isolator is enganged it started cracking slowly

I now have the main battery on charge and will see how it goes tonight

[Mike-4103 Junior Member Find all posts View Profile Close Mike-4103]

Ok so it still just cranks

The relay is constantly powered enabling the starter

The dash lights don't work nor do the parkers

All fuses appear to be ok

[Guest Close Guest]

Water in the fuse box?

[Guest Close Guest]

Water in fuse box.
Shorted or jammed starter solenoid.
Above would possibly be drawing so much from low charged battery that no lights will come on.
Disconnect "start trigger" wire from starter and connect battery. If it cranks there's your problem..
If it doesn't. It's not the starter or solenoid.


Sent from my iPhone using Tapatalk

[Mike-4103 Junior Member Find all posts View Profile Close Mike-4103]

Ok so if I take the relay out it stops cranking

Fuse box seems dry

A mate suggested body control module does any one know where this is

[Mike-4103 Junior Member Find all posts View Profile Close Mike-4103]

All other functions work apart from dash display and parkers

It's kakadu so it has fuel useage display inbetween speedo