Mazda MX-5 1990 Workshop Manual page 655

LIGHTING SYSTEM
T
b
a
05UOTX-145
Removal/Installation
Remove and install as shown in the figure.
05UOTX-147
Step 4 _
1. Disconnect the back-up light switch connectors.
2. Check continuity b_etween terminals of the switch with the
transmission in reverse.
Continuity Action
Yes
Repair wire harness (METER 10A fuse -
Back-ur- light switch - Back-up light)
No Replace switch
~~ro
~
,
~~
BACK-UP LIGHT
05UOTX-146
Inspection
Back-up light switch
1. Disconnect the pack-up light switch connectors.
2. Check continuity between terminals of the switch as shown.
Transmission Continuity
Reverse Yes
Others
No
3. If not as specified, replace the switch.
T-73