Mazda MX-5 NA silhouetteMX-5 NA

LIGHTING SYSTEM

T-60prose procedure

Symptom: Stoplights does not operate (one only).

Stoplights does not operate (one only)

  1. 1
    Check the stoplight bulb of the faulty side. If a bulb is burned replace it. If the bulb is OK, go to Step 2.
    Illustration of the stoplight and high-mount stoplight bulbs with downward arrows indicating bulb removal direction. Labels STOPLIGHT and HIGH-MOUNT STOPLIGHT.
    05U0TX-125
  2. 2
    Measure the voltage at the following terminal-wires of the faulty stoplight connector.
    Voltmeter probing the stoplight connector terminals (B) and (G) with the brake pedal depressed. Shows wiring at the stoplight housing.
    05U0TX-126

Step 2 voltage check

Brake pedal depressed
Wire(G)
Voltage12V
ActionNext check wire (B)
Brake pedal depressed
Wire(G)
Voltage0V
ActionRepair wire (G) (Stoplight switch—Stoplight)
Brake pedal depressed
Wire(B)
Voltage12V
ActionRepair ground wire (B)
Brake pedal depressed
Wire(B)
Voltage0V
ActionCheck for poor connection of connectors

Removal / Installation

Remove and install as shown in the figure.
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