Sony CDX-GT310 Wiring Harness

Position Wire Color What I Think It Is Comments

A Yellow +12V (Battery)

B Not Used

C Not Used

D Not Used

E Grey / Black Right Front / -

F Purple / Black Right Rear / -

G Green / Black Left Rear / -

H White / Black Left Front / -

I Black Ground Spliced to vehicle's ground wire

J Red +12V (Ignition)

K Blue Power Antenna Not connected

L Blue / White Amplifier In Not Connected

M Grey Right Front / +

N Purple Right Rear / +

O Green Left Rear / +

P White Left Front / -

GMDA Wiring Harness

Position Wire Color What I Think It Is Comments

A Green Left Rear / +

B Green / Black Left Rear / -

C Purple Right Rear / +

D Purple / Black Right Rear / -

E White / Black Left Front / -

F White Left Front / +

G Grey / Black Right Front / -

H Grey Right Front / +

I Black Ground

J Not Used

K Orange Dimmer Not Connected (no equivalent on HU)

L Blue Power Antenna Turn On Not Connected (no power antenna on vehicle)

M Red +12V (Ignition)

N Yellow +12V (Battery)

On the vehicle's mating adaptor, the top left section does have a number of wires... I've got no clue what these might be or whether they might be the cause of my problems... See below...

Vehicle's In-Dash Wiring Harness

Position Wire Color What I Think It Is Comments

A Black Left Rear / +

B Blue Left Rear / -

C Brown Right Rear / +

D Brown Right Rear / -

E Blue Left Front / -

F Tan Left Front / +

G Green Right Front / -

H Green Right Front / +

I Black Ground

J Brown ??????

K Grey Dimmer

L Orange Power Antenna Turn On

M Dark Green +12V (Ignition)

N Orange +12V (Battery)

O Dark Green ??????

P Dark Green ??????

Q Not Used

R Blue ??????

S Black / White ??????

T Purple ??????

Top Row In Diagram Above

Bottom Row In Diagram Above