What connector is shown in this diagram?

Connector C318, the Driver Heated Seat Module connector, a 10-pin connector with pins 1-5 on the top row and 6-10 on the bottom row.

Which pin provides constant power to the driver heated seat module?

Pin 4, circuit 1153 (RD/BK), labeled Power (Hot at All Times).

Which pin is the ground for the heated seat module?

Pin 8, circuit 57 (BK), is the Ground.

What wire color is the seat heating element circuit?

Pin 3, circuit 1064, is YE/LB (yellow/light blue) for the Seat Heating Element; pin 5, circuit 1067 (VT/LB), is the Seat Back Heating Element.

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Ford Driver Heated Seat Module C318 Connector Pinout - Wire Colors & Functions

Driver heated seat module connector C318 pinout chart with circuit and color codes

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Connector pinout chart for the driver heated seat module C318 listing each pin, circuit number, wire color and function.

AI caption April 2009 · Photo 833 of 4867

This document is a connector pinout diagram for connector C318, the Driver Heated Seat Module. It shows a 10-pin connector face view with pins numbered 1 through 5 across the top row and 6 through 10 across the bottom row (pin 9 is shown shaded). Below the illustration is a table listing each pin, its circuit number with wire color code, and its circuit function. Pin 1 is circuit 1061 (BN/LB), Seat Heating Sensor; pin 2 is 1020 (DG/VT), Switch to Module - Cushion Enable; pin 3 is 1064 (YE/LB), Seat Heating Element; pin 4 is 1153 (RD/BK), Power (Hot at All Times); pin 5 is 1067 (VT/LB), Seat Back Heating Element; pin 6 is 294 (WH/LB), Power (Hot in Run); pin 7 is 1060 (BK/LB), Seat Heating Sensor; pin 8 is 57 (BK), Ground; pin 9 is not used; and pin 10 is 461 (OG), Module to Switch. A technician can use this diagram to identify wires at the driver heated seat module for testing power, ground, sensor, and heating element circuits when diagnosing a non-functioning heated seat.

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Frequently asked questions

What connector is shown in this diagram?: Connector C318, the Driver Heated Seat Module connector, a 10-pin connector with pins 1-5 on the top row and 6-10 on the bottom row.
Which pin provides constant power to the driver heated seat module?: Pin 4, circuit 1153 (RD/BK), labeled Power (Hot at All Times).
Which pin is the ground for the heated seat module?: Pin 8, circuit 57 (BK), is the Ground.
What wire color is the seat heating element circuit?: Pin 3, circuit 1064, is YE/LB (yellow/light blue) for the Seat Heating Element; pin 5, circuit 1067 (VT/LB), is the Seat Back Heating Element.
Are any pins unused on the C318 connector?: Yes, pin 9 is marked NOT USED.