Metra Electronics Installing the Interface, Installing the GMLAN29-100

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*Important: Before beginning any of the following, disconnect the negative battery terminal to prevent an accidental short circuit.

INSTALLING THE INTERFACE

From the 22 way harness:

Connect the Black wire with the ring terminal to the back of the aftermarket radios chasis

Connect the 3.5mm jack to your aftermarket radios steering wheel control input (if equipped)

From the 30 way harness:

Connect the Black wire to the ground wire of the aftermarket radio

Connect the RCA’s on the 8 pin harness to theAUX in on the aftermarket radio (if equipped)

Connect the Yellow wire to the constant wire of the aftermarket radio.

The GMLAN29-100 comes set up for amplified systems. If the vehicle is not amplified disconnect the 4 pin harness located between the 30 way and 22 way connector. Connect the supplied 4 pin speaker harness and connect the following:

Connect the Violet wire to the right rear positive wire of the aftermarket radio

Connect the Violet/Black wire to the right rear negative wire of the aftermarket radio

Connect the Green wire to the left rear positive wire of the aftermarket radio

Connect the Green/Black wire to the left rear negative wire of the aftermarket radio

INSTALLING THE GMLAN29-100

With all the connections completed, plug the 20, 22, and 8 pin harnesses into the GMOS-100i (sold separately).

Reconnect the negative battery terminal.

Plug the 30 pin GM harness into the vehicle side harness, and plug the aftermarket radio harness into the aftermarket radio.

Cycle the key by turning the ignition on then back off, then back on again to test the radio.

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Contents GMLAN29-100 ApplicationsTools Required for Installation Interface ComponentsTable of Contents Installing the Interface Installing the GMLAN29-100Testing the GMLAN29-100 Programming SWCPage Page REV /2/2010