I would think that the new starter doesn't have a terminal for an unballasted supply to the coil when cranking, only the main 12v supply to the post, and the switched supply to the terminal. If you have the ballasted system you should be able to get the 12v supply to the coil using a relay.
Has anyone installed a powerline starter motor to a Rover V8 engine in a P6?
- Thread starter Barten
- Start date
The trigger wire is the White one with the brown stripe, connect this to the spade on the new starter.
This will spin the starter when you turn your key.
The White wire with the yellow stripe goes to the coil to give it 12V when the starter is spinning to give you a better spark.
This will spin the starter when you turn your key.
The White wire with the yellow stripe goes to the coil to give it 12V when the starter is spinning to give you a better spark.
Thanks Richard. I thought I'd attempt this today.
White/brown wire into connector and battery cable to stud. I just left the white/yellow in place but taped the end off so it doesn't short out or so. Pulled choke out and turned car over and it started in seconds. (Would be quicker if I replaced my choke cable).
What a huge difference these starters make and sound like.
White/brown wire into connector and battery cable to stud. I just left the white/yellow in place but taped the end off so it doesn't short out or so. Pulled choke out and turned car over and it started in seconds. (Would be quicker if I replaced my choke cable).
What a huge difference these starters make and sound like.
OK will do. Thanks again for the straightforward explanation. Electric stuff isn't my thing.
Car struggled to start this morning but when it got going it was fine. Went on a run and everything good.
Got back home and I thought I'd try it when fully warmed up. Struggled to start.
I think I made need this extra power from the coil. I can't check the relay as I'm on my own here with no help. What do we need to do to get that 12v from the coil?
Got back home and I thought I'd try it when fully warmed up. Struggled to start.
I think I made need this extra power from the coil. I can't check the relay as I'm on my own here with no help. What do we need to do to get that 12v from the coil?
The White/Brown wire is only live when the engine is cranking so you could just connect it to the White/Yellow wire to give 12V at the coil when cranking, BUT the normal coil feed will come back down the White/Yellow wire and may (probably will) keep the relay charged, and therefore the starter will stay engaged - not fun.
You can use a diode, which only allows current to pass in one direction i.e. to the coil, and not away from it.
Get one of these
...and plug the White/Brown into one end, then onto another of these spades, connect a wire to the terminal on the starter motor. So now your trigger wire is still going to the starter in the same way, but has a connector in it.
Then plug one of these into the other spade..
The other end of the diode (Male spade) should connect to your White/Yellow wire. The electricity only flows in the direction of the arrow.
I hope that makes sense.
Trying not to be blunt, but if you're really that bad at electrics, it may be a good idea to have a fire extinguisher handy, or someone who is good at electrics.
And don't use scotch blocks
You can use a diode, which only allows current to pass in one direction i.e. to the coil, and not away from it.
Get one of these
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...and plug the White/Brown into one end, then onto another of these spades, connect a wire to the terminal on the starter motor. So now your trigger wire is still going to the starter in the same way, but has a connector in it.
Then plug one of these into the other spade..
Universal 10A, 50V In-Line Diode (12V 24V 14V - 10 A AMP 10AMP - 12 14 24 V VOLT | eBay
1 x In-Line Schottky Barrier Rectifier Diode - Universal - 10A - 50V DC. It will only allow electric current to pass / flow in only one direction acting as a 1 way valve for electrical current, a blocking diode.
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The other end of the diode (Male spade) should connect to your White/Yellow wire. The electricity only flows in the direction of the arrow.
I hope that makes sense.
Trying not to be blunt, but if you're really that bad at electrics, it may be a good idea to have a fire extinguisher handy, or someone who is good at electrics.
And don't use scotch blocks
