Originally Posted by GOLDWINGER2
That's how you learn, trial and error. Save yourself some $$$.
I must admit that I have a real problem, of not letting something get me, and I seem to want to beat that dead horse until well I wear out, and this was to be my final attempt being I had already decided this would fail and I would just by past the solenoid n and forget about the stock system, sometime it woks out for me, other time not so well I sometime end up creating more of a mess and or problem, but I normally know nothing about thing before I tackle them because everything I now know is self taught and most of the time it is by trial and error, and I am thrilled it woke out for me this time, I know of no other way to test the doctor and it it doesn't t work I will leave it in place and merely install a new and improve one, maybe one of those combination detectors, that runs on a battery unless I can find one that I can hard wired in the same location next to ti unit, but I guess time will tell.
This unit looks as if it may have been replace at least one being it was wired it with with connector.