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Hey guys I just ran across this post and its been very helpfull... Im dealing with a no spark issue on a ex27 engine... Didnt relize those two yellow wires were just for charging to run lights... So the motor should run without those connected to anything? My 2 wires coming out the back are...

Oh by the way the spark plug was replaced during Diag... NGK stock replacement..

Off toppic, whats the value of this machine and how do I know what yr it is?

I just rewired, no shorts....And I did recheck.... now im looking to be sure the control unit is wired correctly the 2 yellow wired from the control unit were connected to the mag. The yellow ignition on was wired to the yellow small wire on the control unit . black was to ground, solid red was...

Ok let me back up alittle: From the battery to the ignition I have a red wire battery voltage. I have a yellow wire from the key - ignition on to the engine control unit - see pics. I also have a blue wire from the ignition key on engine start to the starter. I also have a red wire from the...

Thanks, I went to the robin suburu site and downloaded there service manual, parts manual and owners manual its the ex27 engine . It shows the control module but it doesnt give you color of wires or any wiring diagram and no testing procedures... Just so we are clear I am a Gm certified mechanic...

I have a kart I just picked up with a no start. Wiring has been hacked , ignition broke, etc. Just replaced the ignition and rewired... kart turns over but has no spark. I need to verify the wiring to the control unit which then goes to the mag to be sure itss wired correctly... Its a 6 wire...

Please help! I have this same machine I picked up that does not run.... Has no spark... and the wiring has been messed with so Im going thru everything. Just replaced the ignition switch and have a coil ordered. The wire to the coil was a bit short so Im just replacing it but not sure if that...