Webasto SmarTemp Control 3.0 Installation & Operation Instructions page 3

SmarTemp Control 3.0
Electrical Connections
This is a plug and play kit for all compatible heaters. Refer to the compatibility section for adapter part
numbers.
Connector Pin out
FEMALE CONNECTOR
Pin
Description
Number
1 12V / 24V power
2 Battery ground
3 Heater ON signal (coolant heater only)
4 Not used
For terminal removal use: Molex terminal removal tool P/N: 11-03-0044
* Only used in original equipment installations
Connector end of connector
Pin
Number
1
2
3
4
http://www.molex.com
3
Installation - Operating Instructions
MALE CONNECTOR
Description
Brake signal input*
Open cavity
W-Bus
Ambient temperature (air heaters only)