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Grounds will need to be supplied to the gauge lights and to any ground tab on the
gauges. These grounds can come from the black wires #969 TO GAUGE GROUND
and #969 GAUGE LIGHT GROUND wire and/or seeing that a good ground source is
not hard to find on vehicles, the installer could run their own ground circuit for gauge
connections. To make these ground connections you can splice from these #969 wires
to all the gauges or chain/jumper it all together. Both methods seen in the following two
drawings: