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Roadmaster 766 - Switch Mounting and Harness Routing; Final Connections and Fuse Installation; Operating and Safety Procedures; Activating Tow and Drive Modes

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8. Look for a mounting surface for the switch (Figure 4) inside
the passenger compartment. This mounting surface must meet
the following conditions:
Choose a location where the switch will not be turned on or
off accidentally, but where it will be accessible.
There must be enough space for the switch and pigtail.
You will remove the mounting nut to install the switch. You
must be able to reach behind the switch to reattach it.
There must not be any metal, wiring or electrical compo-
nents directly behind the mounting location.
Since the harness is 10 feet long, find a location within 10
feet of the solenoid.
9. Route the two-wire harness from the solenoid to the loca-
tion you have chosen for the switch. Cut the harness to length.
Then, using the schematic on page 1 as a guide, attach the
wiring harness to the pigtail using the two red butt connectors.
Route the wiring harness to avoid moving parts, sharp
edges, the fuel lines or hot components such as the engine
or exhaust system.
Wiring exposed by moving parts, sharp edges or hot
components may cause a short circuit, which can result in
damage to the vehicle’s electrical system as well as other,
consequential damage.
Wiring which is attached in close proximity to the fuel
lines may ignite the fuel.
Failure to follow these instructions may cause property
damage, personal injury or even death.
10. Remove the mounting nut from the switch.
11. Drill a 5/8" hole at the mounting location you have chosen.
With the mounting nut on the underside, route the two-wire har-
ness through the mounting nut and the hole. Plug the switch
into the pigtail as shown in the schematic on page 1. Secure it
with the mounting nut.
12. Use one or more of the included wire ties, if necessary, to
secure the harness in place.
13. Following the manufacturer’s instructions, reattach the
negative cable to the vehicle’s battery.
14. Insert the 7.5-amp fuse into the fuse holder (Figure 1).
Operating the battery disconnect…
1. Attempt to start the vehicle. If the vehicle starts, the battery
disconnect is in the “drive” mode. If it does not start, the battery
disconnect is in the “tow” mode.
Press the button to switch between “drive” and “tow.”
2. To tow the vehicle: follow the owner's manual instructions
to tow. At the point the manual instructs you to disconnect the
battery, push the button to “tow.
To drive the vehicle: follow the owner's manual instructions
to reconnect the battery. At the point the manual instructs you
to reconnect the battery, press the button to “drive.
Never operate the battery disconnect in any other way
except as instructed above. Pushing the battery disconnect
switch randomly may damage the vehicle's transmission,
electronics or other systems. Other consequential, non-
warranty damage may also occur.
If the vehicle is being driven, pushing the battery discon-
nect switch may cause a loss of vehicular control, resulting
in property damage, personal injury or even death.
To attach aftermarket accessories…
Attach aftermarket accessories, such as the BrakeMaster
break away switch, to the positive post on the vehicle's battery.
OWNER MUST READ AND FOLLOW THE
BELOW INSTRUCTIONS BEFORE
OPERATING THE BATTERY DISCONNECT
1. IMPORTANT! Never disconnect the battery while the
engine is running. This could result in the illumination of a
'Check Engine Light,' necessitating a dealership to reset it.
2. Do not turn the switch ON or OFF within a 30 second
time period. Many newer vehicles have diagnostic tests that
must be run during an initial start-up. If interrupted, this could
cause the system to malfunction.
3. When disconnecting the battery for dinghy towing, follow
the instructions in the vehicle owner's manual step by step.
At the point in which the manual instructs you to disconnect
the battery, turn the battery switch to the OFF position. When
the owner's manual directs you to reconnect the battery, only
then should you turn the switch to ON. Connecting or discon-
necting the battery out of the proper sequence can result in
significant, non-warranty damage to the vehicle's transmis-
sion or other important systems.
Failure to follow the procedures above may result in
significant, non-warranty damage to the vehicle.
CAUTION — DON'T LOCK YOURSELF
OUT OF THE VEHICLE!
If your vehicle has keyless entry or has other powered
features that could inadvertantly lock you out without
access once the battery has been disconnected, utilize a
manual key option or roll down the window first.
Refer to your owner's manual for information on how to
handle a dead battery situation, as this will be similar.