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LS1 coil wiring question with E8 ECU

Posted: Wed Dec 08, 2021 6:02 pm
by w3stie
I’m tracking an ignition issue on a lotus elise S1 with rover K series motor using aftermarket E8 ecu and LS1 coil. I replaced the coil with no success. Have checked all fuses and multimeter across ignition HT wire to dizzie is ok.

Am trying to track possible problems upstream of the coil. Can anyone tell me what the four low voltage wires are for the coil? Is one of them the crank sensor?

Appreciate any help.

Re: LS1 coil wiring question with E8 ECU

Posted: Thu Dec 09, 2021 2:02 am
by JimKden
LS1 coil connector pin assignments:
A - Power ground to the block
B- Signal ground to either the ECU signal ground or to the block (you choice)
C- Ignition Control Signal from the ECU
D- Ignition Voltage +12V switched power.

Crank sensor has no input to the coils.

Re: LS1 coil wiring question with E8 ECU

Posted: Sat Dec 11, 2021 4:39 pm
by w3stie
OK Thanks for that. What colour wires are these?

Re: LS1 coil wiring question with E8 ECU

Posted: Sun Dec 12, 2021 3:10 am
by JimKden
Looking at the coil, the terminals are numbered from right to left. I have no idea what the E8 used for colors.

Re: LS1 coil wiring question with E8 ECU

Posted: Sun Dec 12, 2021 3:21 am
by Comlb_4G63
LS1-Coil.JPG