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Signal® Mirror Installation Instructions

Chevy Silverado 1999-2002, Chevy Suburban 2000-2001, Chevy Tahoe 2000-2001, Cadillac Escalade
2002, GMC Sierra 1999-2001, GMC Yukon XL 2000-2002, GMC Yukon Denali 2001-2002, Chevy
Avalanche 2002

THE safety accessory of the 21st Century.

P/N 210-0015-0 Rev F (11-16-01), GG © 2001 K.W. Muth Co., Inc.
 Note: Professional Installation Recommended
Warranty does not cover damage to the vehicle or mirror housing due to improper installation. The
following installation instructions are to be considered as a guide only. Door removal procedures, signal
wire color and location may have changed since publication of these instructions. The installer is
responsible for any damage that may occur during installation.

INCLUDED ITEMS: Please read instructions prior to installation.

1 left and 1 right Signal® Mirror

1 left and 1 right wire harness
2 wire taps
PROBLEMS OR QUESTIONS?
2 ring connectors
Technical Assistance is available by calling
1 instruction manual
Muth Mirror Systems at:

REQUIRED TOOLS: 1-800-844-6616

Ratchet with extension or ratcheting screwdriver Monday through Friday

10mm socket Between 8:00 a.m. and 5:00 p.m. CST
8mm socket
Small slotted screwdriver Or through the Muth web site:
Medium Philips screwdriver www.kwmuth.com
Needle nose pliers
Small pry bar, Heater Gun Or via E-mail: techsupport@kwmuth.com
Gopher wire
Electrical tape
Wire crimper and stripper
Multimeter
Sturdy gloves
Safety glasses or goggles
 Mirror Housing Removal

1. Lower window. 1. Twist and remove the door light and set the door panel aside.
2. Unsnap and remove the triangular molding that covers 2. Secure mirror with one hand. Proceed cautiously to avoid dropping
the mirror mounting screws. Unsnap and remove the articles into the door panel. Remove the 3 mirror mounting nuts.
molding that covers the door handle. 3. Remove mirror from door.
3. Unsnap the control console and unplug the wires.
4. Remove the screw located behind the arm rest.
Remove the screw behind the door handle.
5. Dislodge but don't fully remove the door panel by
pulling it up and away from the door.
 Mirror Replacement

Caution: Safety glasses and sturdy gloves are 3. Pull the mirror off of the motor. Some force may be required
recommended for the following steps. to free any remaining snaps but it should not be excessive. If
you can not remove the mirror without excessive force, apply
1. Place the mirror housing on a clean level surface. Push on the the pry bar further around its edge to loosen more snaps.
outer edge of the mirror to manually pivot it fully outward so a Then try again.
small pry bar can be inserted under its inner edge. Apply
gentle pressure with the pry bar until the mirror backing plate NOTE: If you have heated mirrors disconnect the wires
begins to unsnap from the motor. when you remove the mirror. The polarity for the heaters
2. Move the pry bar around the mirror and pry again until the is reversible so it is not necessary to label the wires.
mirror backing plate further unsnaps from the motor.

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 Mirror Replacement Continues

1. Pull back the rubber insulation on the mirror mounting frame to expose the wire routing
passage.
2. Locate the correct Signal® Mirror harness (short for driver side and long for passenger side)
and slide the end with no connector through the routing passage (from the inside of the
mirror housing) and through the hole in the rubber insulation. Leave about 6 inches of slack
in the harness near the motor pack.
 Mirror Replacement Continues

1. Connect the Signal® Mirror leads to the harness. (If 3. Place the palm of your hand on the center of the glass and
you have heated mirrors, connect the wires to the press firmly until you hear the snaps engage onto the motor
heater terminals at this time.) puck. Press on the top, bottom and both sides of the mirror
2. Place the Signal® Mirror over the motor puck. to ensure complete attachment to the motor puck. (Mirror
should be pivoted through its full range of travel during this
step.)

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 Mirror Housing Attachment

1. Feed wires into door and set mirror in place.

2. Attach mirror with original 3 nuts. Do not over tighten.
3. Pass Signal® Mirror harness through the rubber boot between the
door and the vehicle.
 Wiring

1. Find the bundle of wires just to the left and below the steering column. You may need to remove a plastic wire sheath. Locate the
Light Blue wire. Turn the ignition key so that electrical power is on and activate the driver side turn signal. Probe the Light Blue
wire to verify that flashing turn signal power is present. Deactivate the turn signal and depress the brake to make sure you have
not located the rear turn wire. Label that wire as front, DRIVER SIDE TURN.

2. Locate the Dark Blue wire and activate the passenger side turn signal. Probe the Dark Blue wire to verify that flashing turn signal
power is present. Deactivate the turn signal and depress the brake to make sure you have not located the rear turn wire. Label
that wire as front, PASSENGER SIDE TURN.

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USE THE INCLUDED WIRE TAPS AND FOLLOW THE FOUR STEPS ABOVE TO SPLICE INTO THE TURN SIGNAL WIRES

1. Make sure the harnesses are routed securely under the dash and enough slack is left for splicing.
2. Splice the RED wire from the driver side harness into the Light Blue wire previously labeled ‘driver side turn’.
3. Splice the RED wire from the passenger side harness into the Dark Blue wire previously labeled ‘passenger side turn’.
4. Strip and twist together the ends of the black wires from each harness. Crimp them together in the supplied ring connector and
ground to a suitable nearby location on the metal framework of the vehicle.
5. Activate each turn signal to verify that the Signal® Mirrors are working.
6. Replace any door accessories, door panels, plastic moldings, and trim pieces.
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