ELECTRICAL SYSTEM 77Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855
Connector J2
Pin Wire Circuit Measured Comment
1 BLK Ground 0.06v Vacuum On
2 BLK Ground 0.06v Vacuum On
3 -
4 BLK/WHT Speed Limit 4.45v Transport
3.4v Scrub
1.1v Strip
Signal Out to Speed Controller
5 VIO POT Low 0.38v From Speed Controller. Used for Speed
Limit Signal
6 YEL POT Hi 4.58v From Speed Controller. Used for Speed
Limit Signal
7 BLK Ground 0.05v Vacuum On
8 BLK Ground 0.05v Vacuum On
9 BRN/RED Vac Motor Sense 0.153v Single Vac On. 22.6 A
10 YEL/RED Brush Motor Sense 0.12v Brush motors on. (Do not run long off the
ground)
11 BLK/WHT Act. Pos 2 4.9v Act Up
0.001 v Sw closed
In Serv. Test Mode, press scrub + once.
Let it stop, then press it two more times
to drive until the switch closes to see the
change.
12 RED/VIO Act. Pos 1 4.9v Act Up
0.001 v Sw closed
In Serv. Test Mode, press scrub + once. Let
it stop, then press it again to drive until
the switch closes to see the change.
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