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FINAL WIRING and ASSEMBL Y
A
B
C
D
1
Locate the factory wiring harness in the dash. Use the supplied wire harnesses
and make the connection as shown. (Isolate and individually tape off the ends
of any unused wires to prevent electrical short circuit.)
Make wiring conections using the EIA color code chart shown below and the instructions included with the
head unit. Metra recommends making connections as shown below; Strip, Splice, Solder, Tape. Isolate and
individually tape off ends of any unused wires to prevent electrical short circuit.
METRA / EIA WIRING CODE
12V Ignition / Acc . . Red
12V Batt / Memory . Yellow
Ground. . . . . . . . . . . Black*
Power Antenna . . . . Blue
Amp Turn-On . . . . . . Blue / White
Amp Ground. . . . . . . Black / White
Illumination . . . . . . . Orange
Dimmer . . . . . . . . . . Orange / White
*NOTE: When Black a wire is not present, ground radio to vehicle chassis.
All colors may not be present on all leads due to manufacturer's specifications.
2
Plug the 5 way connector (supplied with the 99-7503) into location 1 on the back of the
99-7503 housing (see diagram).
3
Plug the 16 way connector that you removed from the factory radio into location 2 on the back
of the 99-7503 housing (see diagram).
4
On manual climate control vehicles only, plug the 16 way connector (supplied with the
99-7503) into location 3 on the back of the 99-7503 housing
(see diagram). Automatic climate control vehicles will not use this harness.
5
Re-connect the negative battery
terminal and test the unit for
proper operation.
6
Reassemble radio and dash
assemblies in reverse order of
disassembly.
99-7503
A) Strip wire ends back 1/2"
B) Twist ends together
C) Solder
D) Tape
Right Front (+). . . . . Gray
Right Front (-) . . . . . Gray / Black
Left Front (+) . . . . . . White
Left Front (-) . . . . . . White / Black
Right Rear (+) . . . . . Violet
Right Rear (-). . . . . . Violet / Black
Left Rear (+) . . . . . . Green
Left Rear (-) . . . . . . . Green / Black
1
3
11
FINAL ASSEMBL Y
2
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