Re: AUX input - IAT or WideBand o2?
If you don't require failsafe indication, leave F & W alone.
You also needs to decide either E (default) or A. I guess no soldering is require if the failsafe is for EGT or AFR.
The failsafe only swings into action after the system is triggered to spray.
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Richard L
aquamist technical support
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