Ser vice bulletin, Description, Parts – Proheat X45–School Bus User Manual
Page 108: Instructions
© 1994 Marine Canada Acquisition Inc. DBA SEASTAR SOLUTIONS 3831 No. 6 Road, Richmond, B.C. Canada V6V 1P6
Tel: 604.270.6899
Web: www.proheat.com
SER VICE BULLETIN
Copy Part# 967329, Rev. A, 05/1994
Page 1 of 1
Description:
The PROHEAT wiring system uses
sealed connectors for resistance
to corrosion and greater reliability.
The following test leads are
required for troubleshooting.
Parts:
967921K Test Lead
952925K Remote On/Off switch
Instructions:
1. Test Lead #967921K is used
for measuring voltage, resistance,
continuity or amperage and can
be used on all components
except for the blower. Direct
voltage can be applied to the
compressor and water pump
by wiring from a remote power
source to the spade connections.
2. The #952925K Remote On/Off
switch allows the service
technician to plug into the
heater at the switch input
of the PCM. This allows the
heater to be turned On/Off at
the unit.
RED
BLACK
B
A
A
A
B
USE SPADE CONNECTORS TO
TEST VOLTAGE, RESISTANCE
OR CONTINUITY
USED IN SERIES TO READ AMP
REMOTE ON/OFF SWITCH
952925K
24 INCHES
FIGURE 1
FIGURE 2