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4 Posts
Hi,
My brother and I have been trying to swap radios in his 1991 Camry for two days now and only achieving increasing levels of frustration. We have searched the internets and the googles and every wiring diagram we find does not match the wires coming from the dash. We have been to Install Dr., and found several other diagrams including some mentioned on these forums. They all seem to agree with one another, but again do not match what we have. The OEM plugs were already missing so we can't use an adapter. We do have the diagram from the new stereo, so all we need is the correct identification of the existing wires. Below is a shot of what we have. There is a power antenna.
From left to right the wires are:
Brown - blue rings
Grey - silver ring
Blue - yellow stripe
White - brown ring
Red - blue ring
Black - brown ring
Yellow - black ring
Black - red stripe
Pale green - silver ring
White - green stripe
Pink - blue stripe
Pink - silver ring
Purple - silver ring
Blue - silver ring
Green - silver ring
We used a multimeter and seemed to identify the first three wires as they are described in the diagrams we did find:
Brown - blue ring is Ground
Grey is Ignition
Blue - yellow stripe is constant
When we hooked up only these three wires to his new stereo according to the stereo's diagram we kept blowing fuses. The multimeter showed 12v on the constant, although it jumped to 30-35 when the ignition was in the accessory position. The meter also showed 0v on the grey when acc was off, but jumped off the charts when acc was on. We had the probe in the DC jack and set to 20v DC.
At this point we are at a loss and really are hoping some good soul here can help us out. We did find a thread that shows the same wiring we have, although we didn't see where the poster listed how he identified the wires. Here is that post: http://www.toyotanation.com/forum/showthread.php?t=261985&page=4
Thanks to all who respond. Our wives have promised cake to anyone who helps us :chug:
My brother and I have been trying to swap radios in his 1991 Camry for two days now and only achieving increasing levels of frustration. We have searched the internets and the googles and every wiring diagram we find does not match the wires coming from the dash. We have been to Install Dr., and found several other diagrams including some mentioned on these forums. They all seem to agree with one another, but again do not match what we have. The OEM plugs were already missing so we can't use an adapter. We do have the diagram from the new stereo, so all we need is the correct identification of the existing wires. Below is a shot of what we have. There is a power antenna.
From left to right the wires are:

Brown - blue rings
Grey - silver ring
Blue - yellow stripe
White - brown ring
Red - blue ring
Black - brown ring
Yellow - black ring
Black - red stripe
Pale green - silver ring
White - green stripe
Pink - blue stripe
Pink - silver ring
Purple - silver ring
Blue - silver ring
Green - silver ring
We used a multimeter and seemed to identify the first three wires as they are described in the diagrams we did find:
Brown - blue ring is Ground
Grey is Ignition
Blue - yellow stripe is constant
When we hooked up only these three wires to his new stereo according to the stereo's diagram we kept blowing fuses. The multimeter showed 12v on the constant, although it jumped to 30-35 when the ignition was in the accessory position. The meter also showed 0v on the grey when acc was off, but jumped off the charts when acc was on. We had the probe in the DC jack and set to 20v DC.
At this point we are at a loss and really are hoping some good soul here can help us out. We did find a thread that shows the same wiring we have, although we didn't see where the poster listed how he identified the wires. Here is that post: http://www.toyotanation.com/forum/showthread.php?t=261985&page=4
Thanks to all who respond. Our wives have promised cake to anyone who helps us :chug: