Auto Meter 6390 - Manual

12V BATTERY
INSTALLATION INSTRUCTIONS
DIGITAL AMPLIFIER
CURRENT GAUGES
®
2650-999
1. Check that you have all parts required for installation, and that the engine is cool.
2. Disconnect the negative (-) battery cable.
3. Gauge mounts in a 2 1 ⁄
16
” hole.
4. Securely mount the current transducer to a suitable location.
5. Connect the current transducer to the wire harness.
6. Pass the positive amplifier power lead through the current transducer ring. It is important that the arrow on the current transducer
points toward the amplifier.
7. The brown and gray wires are used to set the mode of operation. Connect a Radio Shack 275-1556 or similar normally open push
button switch to the brown and gray wires (see illustration above.)
8. Mount the switch in a convenient location.
9. Connect the white wire to dash lighting or switchable 12v light source.
10. Connect one of the black wires to a good ground. (Either black wire, does not matter which one)
11. Connect the red power wire to a switched +12v source.
12. Reconnect the negative (-) battery cable.
Installation
GOOD ENGINE
GROUND
+ 12V
CONNECTION
RED
BLACK
RADIO SHACK 275-1556
(OR OTHER NORMALLY OPEN
PUSH BUTTON SWITCH)
WHITE
FUSE
(SEE CAUTION BELOW)
GRAY
BROWN
+12 V
TO AMPLIFIER
Out-of-Range
If the sender input goes outside the limits of the gauge “or” will be displayed signifying an out-of-range condition.
CAUTION!
As a safety precaution, the +12V terminal of this product
should be fused before connecting to the 12V ignition
switch. We recommend using a 1 Amp, 3AG fast-acting type
cartridge fuse (Littlefuse® # 312 001 or an equivalent).
+12V DASH LIGHTING
CURRENT
TRANSDUCER
Wiring
Error Messages
CURRENT FLOW
DIRECTION
FROM AMPLIFIER
POWER SOURCE