Troubleshooting – BlueCool Truck Electrical System
www.webasto.us 25 Webasto Product N.A., Inc.
Checking circulation pump circuit at pump
Figure 30. Circulation pump circuit checks (DC voltage)
V DC
VV
Volts DC
_
+
To Circulation Pump
To Main System Harness
X8
OFF
ON
ACC
Key Switch
Position
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