Owner`s manual

Page 29
Thermal
switch
Terminal
block
black
white
black
ground (bare)
18 ga
LVT
Blower control
thermostat
Central blower
speed switch
External central
heat blower
*For a warming thermo-
stat, 1 should be the red
wire and 2 should be
the black wire
*For a cooling thermo-
stat, 1 should be the
black wire and 2 should
be the red wire
Relay
1*
2*
white
110V
yellow
white
black
Figure 36: Wiring for the central heat system
Draft
damper
motor
Internal
blower
Thermal
switch
Transformer
Terminal
block
Draft
damper
thermostat
Internal
blower
speed
control
Blower control
thermostat
Central blower
speed switch
External central
heat blower
*For a warming ther-
mostat, 1 should be
the red wire and 2
should be the black
wire
*For a cooling ther-
mostat. 1 should be
the black wire and 2
should be the red
wire
Relay
24V
18ga
LVT
110V
ground (bare)
1*
2*
black
white
black
white
yellow
white
black
Figure 37: Wiring for all systems combined
OPEL AP