This is what you will need to do to get the power to the newer style seats.
Wiring:
99 GP (Connector c311)
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Pin A-Fused Battery Feed - Orange (larger gauge wire)
Pin B-Ground - Black
Pin C-Fused Battery Feed - Orange (smaller gauge wire)
Pin D-Seat Belt Switch Input - Black/white stripe
Pin E-Heated Seat ON Feed - Blue
Pin F-Heated Seat Low/High Input - Pink
05 GP (Connector c311)
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Pin A-Battery Positive Voltage - Orange
Pin B-Driver Heated Seat Cushion Temperature Sensor Low Reference - Yellow
Pin C-Battery Positive Voltage - Orange
Pin D-Driver Heated Seat Relay Control - Purple
Pin E-Heated Seat Cushion Temperature Sensor Signal - Yellow/black stripe
Pin F-Not Used
Pin G-Ground - Black
Pin H-Seat Belt Switch-Left - Black/white stripe
Pin J-M-Not Used.
Connections:
Pin A to Pin A (+)
-Orange to Orange (larger gauge wire)
Pin C to Pin C (+)
-Orange to Orange (smaller gauge wire)
Pin B to Pin G (-)
-Black to Black
Pin D to Pin H (Seat belt)
-Black/white stripe to Black/white stripe
Pin E to Pin D (heated seat on feed/Driver Heated Seat Relay Control)
-Blue to Purple
Pin F to Pin B and Pin E (Heated Seat Low/High Input/Driver Heated Seat Cushion Temperature Sensor Low Reference and Heated Seat Cushion Temperature Sensor Signal)
-Pink to Yellow and Yellow/black stripe
