Join Date: Jan 2012
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Thanks for the quick reply and sorry for the confusion. The box is definitely not stock. It is tied into the wiring for the veg system. I can take better pics in the morning if it would help.
I picked it up this week and will be putting my first long mileage on it starting monday. The veggie oil system appeared to be working (fuel pump comes on and the VoControl shows info), but when I drove it ~60 miles today the fuel gauge continued to creep down. The mechanic who looked at it before I bought it said that the relay was causing the draw. The temporary fix was to just unplug the fuses overnight. My guess is that the two issues are related, but that may be an incorrect assumption.
Tomorrow morning I'm going to de-solder the relay and see if I can figure out which version it is. If I feel confident enough, I'll try jumping the leads with a switch so I can turn it on manually and see what happens.
That reminds me of something I forgot to ask in the original post. Does anyone have a schematic for the VegMax system? I can probably get one from Plant Drive this week, but that means I won't be able to use it for diagnosis until after I get back from the trip.