Small socket: Top right: Rt Rear Spkr +
Bottom row from left: Left Rear Spkr -, Left Rear Spkr +, Rt Rear Spkr -
Large socket: Top row from left: Left Front Spkr +, Rt Front Spkr +, Lighting Sw, Ign Sw
Bottom Row from left: Left Front Spkr -, Rt Front Spkr -, NC, Batt., Illumination Control, NC