Signa
l
®
Mirror Installation Instructions
2002-2004 Dodge Ram Pick-Up
THE safety accessory of the 21st Century.™
P/N 210-0091-0 Rev. A (7-9-04), GG © 2003 Muth Mirror Systems, LLC
®
INCLUDED ITEMS:
1 left and 1 right Signal® mirror
1 left and 1 right wire harness
2 wire taps (butt-splices)
1 ring connector
1 instruction manual
REQUIRED TOOLS:
Ratchet with extension or ratcheting screwdriver
10mm socket
Socket wrench
Large slotted screwdriver
Small screwdriver
Awl
Vehicle sealant (optional)
Small pry bar
Gopher wire
Electrical tape
Wire crimper and stripper
Needle nose pliers
Multimeter or wire tester
Sturdy gloves
Safety glasses or goggles
Heat gun
PROBLEMS OR QUESTIONS?
Technical Assistance is available by calling
Muth Mirror Systems Technicians at:
1-800-844-6616
Monday through Friday
Between 8:00 a.m. and 5:00 p.m. CST
Or through the Muth web site
:
www.muthco.com
Or via E-mail: techsupport@muthco.com
Please read instructions prior to installation.
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, indicator wire color
and location may have changed since publication of these instructions. The installer is responsible for any
damage that may occur during installation.
Door Panel Removal
1. Open the driver’s side door and lower the
window. Use a Philips screwdriver to remove
the (2) screws located on the bottom of the
door panel (A & B).
2. Remove the screw located on the inside corner
of the door.
3. Hold the door handle open and remove the
screw from behind the handle.
4. Using a 10 mm socket, remove the bolt behind
door handle.
5. Using a small flat screwdriver, push up on
locking pin cover and remove it.
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5
A
B
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Door Panel Removal Continued
6. Lift the door panel off of the door and hold it a few inches away
from the door. Disconnect the wires that run from the mirror to
the door panel control. Remove door panel. Unscrew the (3)
bolts holding the mirror housing to the door frame and remove
mirror housing.
2
Mirror Replacement
WARNING! Safety glasses and sturdy gloves are recommended
for mirror glass replacement.
7. Lay the mirror housing on a cloth covered, flat surface. Push on
the top edge of the mirror to manually pivot it fully outward. Insert
a large flathead screwdriver into groove and push-up on locking
tab. While continuing to apply upward pressure to locking tab,
push backplate up toward the top of mirror housing to unlock
backplate from motor actuator. Lift up backplate and disconnect
heater connections if heated. Remove OE mirror from mirror
housing.
8. Using the shorter of the two supplied wire harnesses, route open
end from inside mirror housing out leaving approx. 6” of slack
inside mirror housing. Make the connection between the wire
harness and the new Signal® mirror. If heated, connect the
heater connectors to the heater terminals on the Signal®
mirror. Tuck wire harness(es) neatly behind motor actuator.
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8
Mirror Replacement Continued
9. Remove the double-sided adhesive disc liner. Align the motor mount posts to their corresponding holes on the motor actuator. Slowly seat
the new Signal® mirror into place.
10. With the entire palm of your hand, firmly press down on the Signal® mirror until it snaps into place. Press down on all sides of the Signal®
mirror to ensure proper fit, form, and function.
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11
Wire Routing
11. Attach the mirror housing to the door frame. Peel back plastic cover, route the Signal® mirror wire harness around OEM wires as shown
to avoid door panel latching hole. Insert the Signal® mirror wires into the third hole down.
Signal® mirror wires
Latch hole (AVOID)
Insert Signal® mirror wires here
Wire Routing Continued
12. Disconnect rubber boot from both ends. Reach inside door frame and fish out the Signal® mirror wires.
13. Using a fish wire, guide the Signal® mirror wires through rubber boot. Note: Route the Signal® mirror wires in-between the two connectors
as shown. Reconnect the OE connectors and route the Signal® mirror wires into vehicle. Reseat rubber boot into place.
14. Repeat steps for the passenger side Signal® mirror. Route passenger side Signal® mirror wires to driver side kick panel area. Using a utility knife,
separate the red and black wires from both Signal® mirror wire harnesses. Label the red wire of each Signal® mirror wire harness accordingly
(DRIVER SIDE and PASSENGER SIDE). Trim the black wires from both harnesses to length. Strip and twist the black wires together and crimp
them to the supplied grounding ring terminal. Pull on the black wires and the grounding ring terminal to make sure the connection is secure.
Attach the grounding ring terminal to the grounding bolt near the kick panel area.
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Signal® Mirror wires
13
14
Grounding bolt (source)
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Wire Identification
TURN/HAZARD: Locate the green w/ red stripe wire. Turn the ignition key so that electrical power is on and activate the driver side turn indicator.
Probe the wire with the wire tester to verify that flashing turn indicator power is present. Label that wire as ‘driver side turn’. Locate the brown w/ red
stripe wire. Turn the ignition key so that electrical power is on and activate the passenger side turn indicator. Probe the wire with the wire tester to
verify that flashing turn indicator power is present. Label that wire as ‘passenger side turn’.
TURN/HAZARD/BRAKE: Locate the yellow w/ pink stripe wire. Turn the ignition key so that electrical power is on and activate the driver side turn
indicator. Probe the wire with the wire tester to verify that flashing turn indicator power is present. Label that wire as ‘driver side turn’. Locate the
white w/ pink stripe wire. Turn the ignition key so that electrical power is on and activate the driver side turn indicator. Probe the wire with the wire
tester to verify that flashing turn indicator power is present. Label that wire as ‘driver side turn’.
18. Trim the ‘driver side’ Signal® mirror wire to correct length and strip about 1/4” off its insulation. Cut the OEM ‘driver side turn’ wire and strip
about 1/4” off both ends of its insulation. Twist one end of the OEM ‘driver side turn’ wire to the ‘driver side’ Signal® mirror wire and crimp them
into one end of the supplied butt-splice. Crimp the other end of the butt-splice to the other end of the OEM ‘driver side turn’ wire. Gently pull on
both ends to ensure the connection is secure. Your supplied butt-splices are equipped with a special sealing material for external usage. Use a heat
gun, on the butt-splice, to heat shrink the sealing material into place. Repeat procedure to the ‘PASSENGER SIDE’ wires.
Activate each turn indicator to verify that the Signal® mirrors are working properly. Re-wrap wire harness with butt-splices. Re-cover wire bundle
with wire loom (wrap w/ electrical tape if desired). Replace the plastic moldings and trim, door panels, and all accessories.
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Wire Routing Continued
15. Remove floor board trim. Lift carpet to reveal
parking brake line grommet. Using an awl or
other suitable tools, puncture two small holes
through rubber grommet. Route the two red
Signal® mirror wires alongside OE wires and
down through grommet holes. Seal holes with
automotive sealant if desired.
16. Locate wire loom on frame rail (approximately
12” from rubber grommet). Open loom to
expose taped harness. Using a utility knife,
carefully slice tape to reveal trailer wires inside.
Locate desired wires – turn/hazard or
turn/hazard/brake.
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