ELECTRICAL SYSTEM 78Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855
Connector J3
Pin Wire Circuit Measured Comment
1 BRN/GRN B+ 25.5v Key Off or On
2 BLK Ground 0.05v Vacuum On
3 -
4 BLK/GRY Seat Switch 25.2v Weight on Seat
5 BLU/BLK REV 24.5v N or FWD
1.5v REV
6 RED/WHT FOR/REV (Motion) 25.3v N
0.2v FWD or REV
7 ORN/BLU Status 1.2v No Code
24.5v - Unstable
24.5v for a bit, then cycles when there is a
code
8 BRN/GRN B+ 25.1v Key Off or On
9 GRN/BLK Horn - 13.2v Horn Off
0.01v Horn On
10 ORN/RED Horn + 15.0v Horn on or off
11 VIO/BLK Solution Solenoid 25v off
0.2v on
Cycles on low and medium. 0.2v steady on
high
12 GRA/BLK Vac Contactor 25v off
0.19v on
13 WHT/RED Brush Contactor 25v off
0.15v initial on
5v on
Stronger pull in. Limit current for hold in.
14 BLU/ORN Key Switch 25.1v Key on
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