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This portion of rewiring
our 1969 beetle we'll be installing the left and right headlight harnesses, the
left and right turn signal harnesses, and the brake light harness. There's a
separate ground wire for each headlight as well as the headlight connectors
that the wires will plug into. We will also be using three shrouded terminal
connectors, and two H or quad connectors.
To install the brake
light harness, jack up the front of the car and set the front end up on jack
stands. Then remove the front left wheel so you can access the master cylinder
brake light switches. Unplug the old wires from the brake light switches and
pull the harness out of the body. Use an old length of wire, roughly three feet
should do, and feed it in from the trunk on the back side of the reservoir
lines. The line should exit underneath the gas tank above the master cylinder. Tape
the new brake light harness up tightly and then tape it to the length of wire. Then
pull the old wire in the trunk side up to the body, to pull the brake light
harness through.
With the wires pulled
up, hook [up] the wires to the brake light extensions. 1968 and 1969 models originally
had three, two prong brake light switches. If your car still has that set up,
install the blue and red wires at the switch at the far front end of the master
cylinder. The other two harnesses each have a black and a black and red wire
and those will plug into the other two brake light switches. It doesn't matter
which side of the switch any of the wires plus into. As long as the wires from
each harness are plugged into the same brake light switch.
Our car as well as most
on the road today has a master cylinder with two, three prong brake light
switches. The two black and black and red harnesses plug into the two parallel
terminals on either switch. Then the blue wire from the third harness will plug
into the top terminal on one switch. The red wire will plug into the top
terminal on the other switch.
In the trunk the black
wire from the brake harness will plug into the front terminal on the fuse box, at
the cars far left side. The black and red wire connects to the black and red
wire from the main harness with a shrouded terminal connector. The red wire
connects to a shrouded terminal connector and will connect to the dash brake
warning light later. Route the left headlight and horn harness along the left
side of the car. Tape the two wires to the horn, the brown wire and the black
and yellow wire, together and feed the horn harness through the body in front
of the brake reservoir lines. The wires should exit underneath the gas tank
above the master cylinder.
The headlight portion
with just the white and yellow wire will continue forward. From the wheel well
pull the horn harness forward, still inside the fender well and tuck it through
the original wiring tab on the body. Then guide the wires through the body to
the outside fender well and install new horn wire boots. Plug the wires onto
the horn, then slide the boots down into place.
At the fuse box the left
headlight harness has four wires with two of the wires having a small length of
wire and another terminal.
The yellow wire plugs
into the front terminal fifth from the cars right side.
The white wire plugs
into the front terminal third from the cars left side.
The white wire has an
additional length, of blue and white wire that plugs into the high beam
indicator bulb on the speedometer.
The black wire plugs
into the front terminal second from the cars left side.
The additional length of
black wire from there plugs into the voltage stabilizer, for the fuel gauge on
the speedometer.
The brown wire connects
to the brown wire from the turn signal switch wiring harness with a shrouded
wiring connector.
At the front of the car
remove the headlights by unscrewing the headlight trim ring screw, and pop off
the head light trim ring. Unscrew the three screws that hold the headlight
assembly to the fender. Remove the headlight assembly from the bucket, and
unplug the original wiring connector and pull it and the wires from the car. Remove
any remanence of the old headlight tubes unless they are in good shape, in
which case remove them from the car to make running a new wiring harness
through easier. Route the yellow and white wires from the headlight harness
along with the separate ground wire through the headlight wire tube. Push the
wires and the tubes through the hole in the trunk. From the inner fender well,
pull the wires and tube into place. In the fender well push the grommet into
place, in the wire hole in the back of the headlight bucket and pull the wires
through.
In the trunk unscrew the old ground wires ring terminal from the front of the gas tank, and screw in the new ground wire. In the headlight bucket, slide the wires into place into the headlight connector plug as shown, and press them forward until they snap into place. Plug the connector into the headlight and reinstall the headlight and trim ring.
The right headlight
harness will route from the fuse box.
The yellow wire will
plug into the front terminal fifth from the cars right side.
The white wire plugs
into the front terminal fourth from the cars left side.
The harness will go
under the fuel tank filler hose, and to the right headlight tube.
The installation of the wire, including the ground wire, the ground screw, and headlight rubber tube, are the same as we have just shown on the left side. Remove the left and right turn signal assemblies from the fenders by removing the two 8mm nuts on the bottom of the fender holding each assembly in place.
If your turn signal base seals and wire tubes are in good shape, remove the wire tube from the trunk then pull them off the fender carefully. Replace the seals if needed. With the seals and harnesses in place, push the wires into the turn signal seal tubes which are a part of the turn signal seal. This step can seem quite difficult for most, but with some patience and a long skinny screwdriver both wires can be pushed through the wire tube 1 at a time. With both wires pushed through, reach through the top of the turn signal base seal with a pair of needle nose pliers, grab the rubber tube and pull it up into the base seal. This needs to be done for both the left and the right turn signal harnesses and seals. Plug the wires to the turn signals into the turn signal bases. The gray wire plugs into the left side tab. The black and white, or black and green wire will plug into the [right] tab.
Guide the harnesses,
tubes and seals in place through the top of either fender, through the holes
into the trunk, and pull the wires into place into the trunk.
Bolt the turn signal
assemblies back in place on each fender.
Route the front left
harness up to the fuse box following the left headlight harness path.
The gray wire plugs into
the front terminal fourth from the cars right side.
The black and white wire
plugs into a shrouded quad connector.
The black and white wire
from the turn signal switch, along with the black and white wire from the rear
main harness, will also plug into this quad connector.
Route the front right
turns signal harness up to the fuse box.
The gray wire plugs into
the front terminal third from the cars right.
The black and green wire
plugs into a shrouded quad connector.
The black and green wire
from the turn signal switch and the black and green wire from the rear main
harness, will also plug into this quad connector.
The front of the car can now be jacked up, the jack stands can be removed, and the car can be lowered down. We will move to the dome light harness and to the dash, to complete the wiring installation there, in later videos.
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