178 SECTION 55 - ELECTRICAL SYSTEM
CN2
PIN FUNCTION NOTE
1 Keep alive power Need to fuse at 1 ampere without disconnect
2 Not used
3 Can bus input Twisted pair, with 120 OHM terminator
4 Can bus input Twisted pair, with 120 OHM terminator
5 Not used
6 Audible alarm buzzer Floyd bell under 80 mA
7 Starter motor interlock 40 OHM relay = 300 mA
8 Not used
9 Not used
10 Not used
11 Not used
12 Not used
13 Fuel level gauge Variable resistance
14 Transmission temperature Thermistor
15 Not used
16 Foot accelerator 0.5 - 4.5 V
17 Accelerator knob 0.5 - 4.5 V
18 Foot accelerator Output monitored for diagnostics
19 Accelerator knob Output monitored for diagnostics
20 Foot accelerator
21 Accelerator knob
22 Not used
23 Not used
24 Alternator excitation Low alternator output signals fault
25 Not used
26 Ground Digital input
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