Question about 2002 Mini Cooper

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No power to starter motor live from ignition

Changed starter motor which was burnt but no power to the thin wire from ignition to starter ( The 2 big fat wire have live even when ignition is off ) Th

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  • montehammons Dec 02, 2012

    what two big fat wires is that? why would you have two live wires to the starter?


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The small starter wire should only have power on it when the key is held in the cranking position. Is that how you tested it? If no power then, trace the signal from the ignition switch to the starter. The starter relay and the neutral safety switch should be in that path.

Posted on Dec 01, 2012

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Changed solenoid now the starter keeps spinning even with key off. Can the 2 smallest wires cause this. The 2 large posts are right

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Rover45 ignition lights up,soon as try to start it blows a 10amp fuseunder dash,have changed starter motor an checked all wires and still does same

think the wire to the starter motor is damaged ?? try turning ignition on and running a wire from + on the battery to the small wire on the starter motor ?? and remember do not leave the key in with the door open as this will activate the immobilisor ,open the window ?,Seem to remember their is a relay for the starter motor in the power distribution box under the bonnet maybe the low side of the circuit in this relay has burnt out causing the short who knows ,with my head under the bonnet i would sort this in minutes as these cars are quite simple but the better ones had honda engines

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What would make the starter engage when the key out of the ignition

Your problem seems to be a faulty solenoid. The solenoid is a little monster that lives on top of the starter motor, and its job is twofold. Firstly, it supplies full battery power to the starter motor, and secondly it drives a gear on the starter to engage with the engine flywheel.
Now, your problem. The first guess could be the ignition switch, but fitting a toggle seems like a fairy tale answer. Check the starter solenoid to see if there is a frayed wire on the thin wire that connects to the starter, or possibly a frayed wire on the battery cable that is shorting to the small connector. Otherwise, I have seen the terminal of this small wire actually become loose and turn in the direction of the battery cable, which is also connected to the solenoid. A short here will cause the problem you are describing.
Finally, the solenoid could have a short circuit inside the body, which means replace the solenoid.

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Car won't start. Changed starter. Still wont start. This starter can not be checked when it is off the car.

Hi there?
Check that the battery is charged, you can do this by turning the lights on and see if they are bright as narmal.
There are 2 wires going to the starter motor, thick and thin wire. The thick wire is connected straight to the positive terminal of the battery. The thin wire is connected to the relay which is operated by the key. You can power the starter motor by powering up the terminal that the thin wire goes to. Make sure that the thick wire has positive loltage from the battery.

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How do you hook up the wires to the starter if there is more then one big red wire? do they all go to the same stud?

Hi, there should be one big wire and one smaller wire. The big wire goes on the top terminal, and the smaller wire goes on the start terminal (marked with an "S"). Do you have more than 2 wires?

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My friend is having trouble with his car......this what he posted on facebook So update. BRAND NEW BATTERY AND STARTER. Autozone diagnostic rules out alternator. Car refuses to start, no lights no...

wires on starter motor fitted incorrectly the thin wire goes to top lucar type connector and the big heavy cable goes to the big upper terminal on the solonoid its fitted to the bottom one by the sound of it causing the engine to turn as soon as power supplied

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Where is the starter located on 95 dodge dakota engine. I need to change one and am not very mechanical.

hi, to locate the starter follow the big live lead from the battery this will go onto the selenoid on the starter motor the starter looks like a small cylinder this is the selenoid next to a big cylinder the size of a big beer can, so just follow the main live wire and it will go towards the bottom of the engine and then it goes to the starter the starter will have 2 wires going to it the thick red live wire and a smaller push fit wire.

let me know if you have problems finding it and ill do my best to assist you further ok

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I need to know the wire placements on a starter of a 1989 chevy cavalier

you have three post on the solenoid 2 big and 1 small 1 big connects directly to starter motor the other big gets direct battery power the little one is ignition (concidrably smaler wire) hope this helps be sure to double check all connections and grounds

Nov 17, 2010 | Chevrolet Chevy Cars & Trucks

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Starting problem, changed battery,no power

If battery changed "in" is known to be good then is either

a) Fault on ignition key not sending power to starter motor when turned
b) Faulty Starter motor
c) Alarm/Imobiliser Active

Check power lead to starter motor with test lamp. If when key turned wire to solenoid goes live, dismiss a) and c) which leaves b)

If not live then either a) or c).......

Jan 20, 2010 | 1995 Toyota Camry

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My car has electrical power to everything when i turn the key on but it will not turn over.

ok a few things to check, there is a thin wire that runs to your starter motor (chek to see if it connected. there is also a big fat usually red or black coated wire that is main power from battery), the thin wire is known as the excita wire it transports the signal from the ign. barrel, if you turn the key as if to start the car and there is power to that wire then your starter motor solonoid and possibly the starter motor in its entirity is stuffed. on the otherhand if there is no power to that wire there is a starter relay and it should be in your main fuse box, this may be faulty, if none of these work go back to the loom behind the ignition barrel and see if the barrel itself is faulty, hope i have been of some help

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