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CPT8000 Electrical Connectors and Wiring Diagrams This section contains drawings of Electrical Connectors and information on Pin Configuration, Pin Numbers, Wire Colors and Pin Descriptions. 5.1 25 Pin D-Sub Connector to TCU Adapter Cable 5.2A Eject Box Wiring Harness 18 Male Pin, Female ELO Connector 5.2B Factory Installed 18 Female Pin, Male ELO Connector 5.3 CPT8000 12-Pin Wiring Harness Connector 5.4 CPT8000 26-Pin ELO Connector for E46 Convertible 5.5 28-Pin Multilock TCU Connector 5.6A CPT8000 Wiring Diagram All Models Except E46 5.6B CPT8000 Wiring Diagram E46 Only --------------BMW CPT8000 Training & Troubleshooting Manual --------------Version 2.01 8/29/2001 5.1 25 Pin D-Sub Connector to TCU Adapter Cable Figure 1 Looking into 25 pin D-Sub Connector Figure 2 Connector This is a male connector, number X18500, comprised of 25 female pins and mates with a female connector, with 25 male pins, on the TCU adapter cable. It is used with all models equipped with the CPT8000. Figure 1 represents the connector with pin orientation and figure 2 is a drawing of the actual connector. Wire colors may vary due to manufacturing variations. Pin Wire Color Pin Description Notes 1 Yellow-Red RX On/Off 2 White Mayday Switch LED 3 Brown-Black KL31 Ground 4 Red-Yellow KL30 B+ 5 Purple-Red Ignition Sense M5 = Purple 6 Blue-Green TX Audio 7 White-Blue Battery Feedback 8 Orange Hand Set Power Supply 9 Blue-Yellow Mayday Switch Emergency 10 White-Brown Entertainment Mute 11 Blue TXD 12 White-Red Reserved 13 Yellow-Brown Mayday Switch Roadside Assistance 14 Green Microphone Negative 5 Wagon = Brown-white 15 Yellow-Black Microphone Positive 5 Wagon = White 16 Red-Yellow KL30 B+ 17 Brown-Black KL31 Ground 18 White-Green RXD 19 Orange Speaker Positive M5 = Blue-black, 5 Wagon = Black-white 20 Black Shielded Ground to ...
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