Rover V8 Starter Motor Wiring

General Chat About Electrics, And Ignition Systems.

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Re: Rover V8 Starter Motor Wiring

Post by Darkspeed » Wed Jan 17, 2018 5:39 pm

There are two coil windings in a solenoid - the first is the main pull in coil and this gets its earth path from the + connection to the starter motor - yep thats right. The second hold in solenoid gets it -ve from the casing of the solenoid and a normal earth path as it needs this when the solenoid has pulled in and created a + at the starter connection thereby removing the the - path for the pull in coil.

If there is not a -ve at the motor connection point when you connect to the solenoid + then the solenoid will not pull in. This could be down to brushes or comm issues.


4.5L V8 Ginetta G27

Riley RMF
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Re: Rover V8 Starter Motor Wiring

Post by Riley RMF » Wed Jan 17, 2018 6:22 pm

Ok - I think.

There's a convincing looking diagram of that here:

But I still can't square it with the bypass solution in the vid. Maybe that's mechanised differently?

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