Owner's Manual
Guidelines on Using a Voltmeter to
Locate Power and Ground
1. First set your voltmeter to the continuity
setting (should beep when you touch the red
and black probes together, telling you they are
shorted
).
2. Find a ground on the car somewhere, like a
bolt under the dash, or a metal cross member.
3. Put the black probe on that ground, and
touch the back
of
each exposed wire connector
in the mirror harness with the red probe.
4. For each wire that beeps, that means that
wire is grounded. Turn the ignition to the on
position, then back to off, and make sure it
beeps regardless
of
the ignition position.
5.
Put the voltmeter into VDC mode, to
measure DC volts, turn the ignition to the on
position.
6. Put the black probe on the ground wire
found
in
#4.
7. Touch each
of
the wires
in
that ha mess with
the red probe, and note which one( s) gives you
+12-14 volts, turn the ignition off to verify that
the volt readings go down to zero or close to
zero.
"Power Up" Your Radar Detector
by TAPPING Into Your
Rear View Mirror's Wire Harness
.
2 Amp in line fuse
Innovative Design
And
Precision Manufacturing
Manufactured in
USA
U.S. Pat. D0794569, D0794570, 10,033,143
©2018 J28 Design Inc.
WWW
.
MIRRORTAP
.
COM
7
28028
1968
9 4
MTX
Series
12 Volt Radar Detector Power Cord
With In Line Fuse
15"
OVERALL
LENGTH
RJ11 CONNECTOR