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Need to kill ECU for Car Alarm

1K views 1 reply 1 participant last post by  am_bad 
G
#1 ·
Hi, I need to know which of the wires going to the ECU I need to immobilise for the new car alarm I've just bought. There seems to be 4 main power wires, Yellow constant, two red power wires and a Red/Green wire which only powers up on ignition. Is this the one I should immoblise to stop the ECU from working?

Also the wire appears to be pretty thick(high current) so will this cause any issues going through the car alarms relays?

Cheers
 
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