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Grp A Coil Wiring Help

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Old 04-08-2013, 03:58 PM
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trackman24
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Default Grp A Coil Wiring Help

Hi.
Hope somebody can help with the following for S2 RST:
Have just purchased a Grp A coil and the MSD coil loom (+ve and -ve on battery, bullet connector used to connect to original +ve lead (as a trigger).

However I seek clarification on the connections to the coil.



Loom

The loom has two spades marked as +ve for the coil

Can anyone tell me what should be connected to the -ve side of the coil as the instructions don't mention anything about -ve terminal on the coil.

Many Thanks
Old 04-08-2013, 05:31 PM
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Cossy Mike
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Default

Originally Posted by trackman24
Hi.
Hope somebody can help with the following for S2 RST:
Have just purchased a Grp A coil and the MSD coil loom (+ve and -ve on battery, bullet connector used to connect to original +ve lead (as a trigger).

However I seek clarification on the connections to the coil.



Loom

The loom has two spades marked as +ve for the coil

Can anyone tell me what should be connected to the -ve side of the coil as the instructions don't mention anything about -ve terminal on the coil.

Many Thanks
as far as I know you don't use the negative side of the original coil, the original positive is to trigger the new relay for your new GrpA coil
Old 07-08-2013, 08:02 PM
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trackman24
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Thanks for info. All wired up and working now
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