
TCM Schematic
1
15D906
24U855
CB11
CB12
CB13
CB14
CB15
HOSE
MOTOR
A HEAT
B HEAT
TRANS
24X648 (15kW, 20kW),
24T242 (10 kW)
Overtemperature Switchs
BLK
BLK
RED
TB21 / 17B856
TB31
17D780
To TB03
To TB02
10kW - 17G685
15k, 20kW - 17G686
To HCM
To ADM
To Ground Bar
To Ground
Bar
To Heated
Hose
2
24W204
A RTD
B RTD
B HEATER
A HEATER
Transformer Fan
24R756
Hose Transformer
127290
127068
127068
TCM
ti26607a
3
4
To Hose
RTD
1
Locate near TCM.
2
Direct connect heater elements to TCM for 15kW
and 20kW systems. Harness 17G684 and spice
connectors (255716) used for 10kW systems.
3
Terminal block TB21 only used in 15kW and 20kW
systems. Use splice connectors 255716 for 10kW
systems.
4
Torque to 35–45 in.-lbs. (4–5 N•m).
98
334946A