Bill fox Posted June 4, 2017 Share Posted June 4, 2017 I have a 07 chn613 I have a orange lightning bolt occasionally and becoming more frequently on I don't notice any guages abnormal or running any different I bought the truck without a owners manual Quote Link to comment https://www.bigmacktrucks.com/topic/50066-lightning-bolt/ Share on other sites More sharing options...
tjc transport Posted June 4, 2017 Share Posted June 4, 2017 that is the electrical malfunction light. macks version of a check engine light. to retreive the fault codes: with engine running, Turn speed control switch Off, then press and hold SET/DECEL or RESUME/ACCEL switch until EML goes out. After approximately one second, the V-MAC module will begin blinking out its two-digit blink codes. The two digits of each code will be separated by a one second idle time (EML out) Each blink code digit may consist of up to nine on–off flashes. The on and off time for each flash will be 1/4 of a second. Count the EML on flashes to determine two digit blink code. 1 Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/50066-lightning-bolt/#findComment-371442 Share on other sites More sharing options...
Bill fox Posted June 5, 2017 Author Share Posted June 5, 2017 Ended up taking it to dealer to read code they tell me something is going on with number 6 injector truck runs fine I guess I'll just run it for now Quote Link to comment https://www.bigmacktrucks.com/topic/50066-lightning-bolt/#findComment-371546 Share on other sites More sharing options...
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