My rear passenger side turn signal bulb is out. I've got the bulb but can't access the bulb that is burnt out. In the trunk, the trunk lining does not make rear light assembly accessible. How do you remove the trunk lining to make the bulb change?
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Re: Replacing rear turn signal bulb in 2003 Mustang
Remove the trim panel at the very rear of trunk, remove it and place it out of the way, remove tail light Assemblyretaining nuts top and bottom, I think there are 6 per side, pull the tail light assembly straight back to access the bulbs for replacement.
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The problem is in the bulb, or the socket, or the wiring to these.
Whenever a turn signal flashes fast, know that one of the bulbs is not working.
You have already identified the problem as being the front one. Problem could be the hot wire, or the ground wire, or the ground connection to this bulb.
Start by taking a tester to the hot wire, and see if it is receiving electrical impulses when the turn signal is on.
( It probably is, unless the car has been in a wreck and has been improperly repaired.)
Then check the socket or the wires to is and see if the bulb is grounded.
I suspect the ground is defective, and either a new socket or a repair to the ground wire should fix you rights up.
God bless your efforts.
No, because the left side is still working. The loose wiring was to the multifunction switch (turn signal).
Power gores through the turn signal switch to the brake switch on the brake pedal, then to the rear lights. Does the highmount brake lamp work?
At the RH lamp socket, Measure the voltage between the RH rear lamp C4032 pin 3, circuit 5 (OG/LB), harness side and ground. Should be 12 volts.
There is an access panel on the inside rear sides by the lift gate. They pop out giving you access to the bulbs. I recommend replacing both at the same time since they seem to "blow" within a few days of each other.
Turn the engine off and open the hood. Pry up
the two fasteners from the radiator air baffle with a flat head
screwdriver. Move the baffle to the side to access the top of the
Pull up the two metal rods behind the headlight case. These
secure the case to the car. You may
need your pliers to pull them up.
Gently pull the headlight case out to access its rear. On the
rear, you will find several black dust covers. Twist off the dust cover
closest to the fender (the outward dust cover) to access the turn
Turn the bulb module counterclockwise to release it. Unplug
the electrical connector from the bulb module. Connect the new bulb to
the electrical connector (don't touch the glass with your hands; hold it
by the plastic piece). Insert the bulb module in the turn signal
housing, turn it clockwise and screw the dust cover back on.
Insert the headlight case in the mount. Push the pins back
down to secure it. Position the radiator baffle in its place and insert
Rear Turn Signal Bulbs
Open the trunk. Remove the net from the
side mounted wing nut (on the side with the faulty turn signal). Twist
the wing nuts (there are two per side) counterclockwise to remove them.
Peel the carpet layer back to access the rear signal lamp
wing nuts. Twist these wing nuts (two per side) counterclockwise to
remove them and release the rear signal.
Carefully pull the rear signal assembly away from the Impala.
The rear turn signal is the inner bulb (closest to the trunk). Press
the tab on the bulb module and turn it counterclockwise to release it
from the rear signal assembly.
Pull the old bulb straight off the module (don't twist).
Insert the new bulb in the module. Depress the tab on the connection and
insert the module back in the assembly. Twist it clockwise.
Insert the rear signal assembly. Re-attach the assembly's
wing nuts and push the carpet layer back in place. Tighten the other two
wing nuts to secure the carpet layer and reconnect the cargo net
Are the rear bulbs OK? Is the ground good at the rear?are the sockets good? Are there tail lights and a license plate light?then the ground is OK. All the things that you say do not work go through the signal light switch....it may need replacing. First make sure the bulbs and fuses are OK and power is getting to the signal light switch and to the brake light switch. Nice car!