Accutach GM Steering Wheel Button Box Manuale di installazione - Pagina 8

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Accutach GM Steering Wheel Button Box Manuale di installazione

Installing the GM Steering Wheel Button Box

At this point, you should have unhooked the battery and followed the service manual process for disabling the air

bag system. If you have not, do that now.

Once you have located the signal and power lines below the clocksping mechanism, cut them both. Make sure that

the power wires coming from the audio/cruise control modules are covered with shrink tubing and secured so they

can't short to anything including the vehicle body. If a power wire is powered and the power wire shorts out, you

may destroy your audio system or your body control module.

This is a good time to test your steering wheel button circuit to make sure it is working properly prior to repurposing.

Put an ohmmeter across the Power and Signal wires going up into the clockspring mechanism. With each button

pressed one at a time, you should see resistance values on the ohmmeter that are within 5% of these resistances:

97-01 Camaro, 03-06 Silverado,

95-02 Firebird, 04-09 Trailblazer,

Corvette

etc.

VOL+

VOL-

PLAY

MUTE

PRESET 1-6

SEEK+

VOICE

SEEK-

PHONE

AM/FM

None

PRESET

10-15 Camaro,

07-13 Silverado, 07-14 Suburban,

11-16 Cruze,

07-14 Tahoe, 07-13 Avalanche,

14-16 Malibu,

07-13 Sierra 07-14 Yukon,

11-15 Volt

08-09 H2, 07-14 Escalade

Audio Buttons

VOL+

MUTE

VOL-

SEEK+

VOL+

SEEK-

SOURCE

VOICE

SOURCE

MUTE

SEEK

Cruise Buttons

OFF

RES+

SET-

CANCEL

If you don't see resistances near these, debug the steering wheel switches and the wiring from the switches through

the clockpring mechanism to the cut wire ends before continuing with the installation.

00-05 Impala

etc.

VOL+

VOL-

SEEK+

MODE

SEEK-

MUTE

VOICE

SEEK+

PROG

SEEK-

SOURCE+

SEEK TYPE

SOURCE-

PRESET

Resistance

1210

1511

1923

2410

3014

3820

5320

Resistance

Open Circuit

6805

3795

2325

1500

Resistance

1270 Ohms

1564 Ohms

1912 Ohms

2387 Ohms

3102 Ohms

4282 Ohms

6652 Ohms

13612 Ohms