2.Touch your meter or test light’s positive lead to a point on the fuse block that has constant 12 volts. Use the other lead to probe the control wire. Then open the door. If the test light turns on or the meter indicates 12 volts, your vehicle has
Touch the negative lead to a metal chassis part and the posi- tive lead to the control wire. Then open the door. If the test light turns on or the meter indicates 12 volts, your vehicle has positive- switched door switches. Go to Step 3.
If you could not determine the door switch power type, you probably selected an incorrect wire. Contact the Auto Alarm Hel- pline at
3.Use masking tape to mark the wire with its function (DOOR) and switching type (+ SWITCHED or
– SWITCHED).
FINDING THE STARTER WIRE
To install the
Follow these steps to find this wire.
1.Locate the group of wires going from the back of your vehicle’s key switch toward the engine compartment. (These wires are routed along the top of the steer- ing column in many vehicles.)
2.To determine the starter wire’s color, refer to your vehicle’s ser- vice manual, contact the vehicle manufacturer, or call the Auto Alarm Helpline at
3.Once you select a wire that you believe is the starter wire, touch one lead from a
4.Start your vehicle. The test light or volt meter should indicate 12- volts only when you are cranking the engine (not while it is run- ning). If this is not the case, repeat this procedure from Step 3, selecting another wire.
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