D83.70-0005-01
Plug assignment chart for 8-pin heater unit
1 Battery positive (I)
2 Ground (I)
3 To relay, hot water heater fan stage 1 (O)
4 To metering pump (O)
5 To diagnostic socket, terminal 11 (O)
6 To heater booster switch (I)
7 To stationary heater switch or heater timer (I)
8 -
(O) = Output signal
(I) = Input signal
D83.70-0006-01
Plug assignment chart for 14-pin control module
1 To flame sensor (I)
2 To flame sensor (I)
3 To temperature sensor (I)
4 To temperature sensor (I)
5 To overheating sensor (I)
6 To overheating sensor (I)
7 -
8 -
9 To glow pin positive (O)
10 To coolant circulation pump (O)
11 To coolant circulation pump (O)
12 To glow pin negative (O)
13 To blower motor positive (O)
14 To blower motor negative (O)
(O) = Output signal
(I) = Input signal