Section 03
TROUBLESHOOTING
Subsection 05
(ELECTRICAL SYSTEM)
03-05-6
SYMPTOM
FALSE FUEL AND/OR TEMPERATURE GAUGE READINGS.
CONDITION
NORMAL USE.
Test/Inspection
1. Verify if gauge was connected on DC current by mistake (in case of optional
installation).
a. Faulty installation of optional equipment.
Find optional wires connected directly to DC ground (BK wire to chassis) or to any DC
hot wire (RD, RD/BL). Disconnect and reconnect to AC current (YL and YL/BK wires).
2. Verify sender unit for free movement and/or correct arm position.
a. Defective or damaged part.
Correct or replace sender unit.
3. Verify sender unit/gauge wiring harness condition.
a. Heating, rotating or sharp part in contact with harness. Improper harness routing.
Replace or repair damaged wires. Reroute where necessary.
SYMPTOM
WITH ENGINE IDLING NO ELECTRICAL ACCESSORIES WORK.
CONDITION
NORMAL USE.
Test/Inspection
1. Verify regulator.
a. Faulty regulator.
Replace.
SYMPTOM
DESS PILOT LAMP LIGHTS WEAKLY AT 7000 RPM.
CONDITION
NORMAL USE.
Test/Inspection
1. Verify filter near pilot lamp.
a. Faulty filter.
Replace.
SYMPTOM
INTENSITY MODULE DOES NOT WORK AFTER ENGINE IS STARTED.
CONDITION
NORMAL USE.
Test/Inspection
1. Stop engine and restart.
Summary of Contents for Formula MACH 1
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