looks very helpful.
I was back there on Monday.
3- mod reporting "no answer". I remove the 28vdc from the mods and power is good. thus eliminating a bad cable. Map net is fine.
However,when the 28v is landed to ANY of the 3 mods- it drops out.
A friend hooked me up with a simplex tech,he suggested start with new mods- Pricey ya, but I'm at a loss.doesn't seem like a wire issue at this point.
My guess,there was some unnoticed damage before-maybe to the sig card.
coz all I did was ring the horns then.....troubles appeard.so I think when the sig card switched power it did something to the map net- just enough to blow the 3 mods. ???
I'll keep ya posted when the parts come in.