Back-Up Light Switch/Neutral Safety SwitchREMOVAL & INSTALLATION
(see Figure 1)
On
automatic vehicles, functions of both the reverse lamps and the neutral
safety switch are controlled by the shift position switch at the base
of the shift selector. This multi-circuit switch also sends signals to
the various electronic control units (cruise control, automatic
transaxle ECU, etc.), keeping them advised of the selected gear.
Fig. 1: Reverse lamp and neutral safety switch functions are
both controlled by a shift position switch at the base of the shift
selector
To replace the shift position switch, firmly set the parking
brake and block the wheels. Place the shift selector in N. Remove the
console. The switch is located on the side of the shift selector, held
by 2 bolts or nuts. Unplug the wiring connectors, then remove the
switch.
When installing the switch, make sure the switch slider is
positioned to align with the shifter arm or tab. Install the switch,
tighten the retaining nuts or bolts and connect the wiring. Reinstall
the console.
After installing the switch, check that the engine
starts only in P or N; the starter should not engage with the shifter in
any other position. Check also that the back-up lights come on when the
selector is placed in R.
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