8. Route the Shunt Wires (External Shunt Unit Only, VA-1A-XX)
Route the orange wire to the "+" side of the shunt via a one amp fuse. See the appropriate wiring
diagram in this manual for your installation. Connect the brown wire to the "-" side of the shunt
via a one amp fuse. If you are replacing an existing unit, most of the wires and all of the fuses
should already be in place.
If this unit is to be used with an RSVA-3 remote switch, see the RSVA-3 Installation section of this
manual.
9. Connect the Large Shunt Wires (Internal Shunt Unit Only, VA-1A)
Connect the large bus, battery or alternator leads (as appropriate for your installation) to the
large lugs on the back of the VA-1 unit. If any major current carrying wire is extended you must
use the same size wire as the original. See the appropriate wiring diagram in this manual for your
installation.
10. Route the (Optional) External Warning Control Line
The white/yellow wire can be connected to an external light (AL-1), buzzer (ATG-1), a relay, etc.
This wire grounds when the Discharge High Volts Warning Light is on. The current in this line
must be limited to 2/10 of an amp maximum. Exceeding this limit will damage the unit. If this
feature is not used, leave this line open. Tie wrap this wire so it does not obstruct the
Tie wrap this wire so it does not obstruct the
Tie wrap this wire so it does not obstruct the
Tie wrap this wire so it does not obstruct the
Tie wrap this wire so it does not obstruct the
freedom of travel of any controls.
freedom of travel of any controls.
freedom of travel of any controls.
freedom of travel of any controls.
freedom of travel of any controls.
11. Install the Instrument in the Panel
Install the instrument from behind the instrument panel using 6 x 32 screws. These screws should
not be any longer than 1/2".
12. Connect the Circular Connector to the Instrument
1) Push the two mating connectors together and twist them until they snap into position.
2) Turn the locking ring on the instrument connector clockwise (1 1/2 turns) until it locks into
position.
13
8. Route the Shunt Wires
Installation Instructions
