Electrical Harness - Webasto BlueHeat Manual

VW Passat
1
7
6
5
1
2
1
2
3
Fig. 2
Fig. 3
2
3
Fig. 4
4
1 2 3
Fig. 5

Electrical Harness

ATTENTION
Cut wire tie holding negative-side blower harness (with
relay K3) from main harness and set aside.
Bend electrical mounting bracket as shown in Figure 2.
Mount heater electrical components to bracket and
secure bracket to vehicle with existing nut.
– (1) HVAC air filter
4
– (2) Relays K1 and K2
– (3) Fuse holder
– (4) Resistor
– (5) Screw M3x10, Nut M3 (2ea.)
– (6) Existing vehicle nut
– (7) Pan head screw 10-32x5/8", Nut 10-32 (2ea.)
Extend blue ignition fuse tap wire, using some wire
from the fuel pump harness, to reach the interior fuse/
relay center. Cover wire with loom.
– (1) Timer and blower control harnesses
– (2) Fuse tap wire
Routing Harnesses Through Bulkhead
Route heater control and fuel pump harnesses through
empty bulkhead grommet.
– (1) Bulkhead grommet
– (2) Heater control harness
– (3) Fuel pump harness
ATTENTION
Apply sealant to area where blower and timer control
harnesses pass through ECM compartment.
Route blower control harness, timer harness, and fuse
tap wire extension through ECM compartment and
into the interior of the vehicle through hole in
bulkhead.
– (1) Timer, blower, and fuse tap extension wires
– (2) Sealant applied
– (3) ECM compartment (cover removed)
– (4) ECM
7