Universal M-12 User Manual

A.
B.
C.
D.
E.
TEST PROCEDURE-(REMOTE REGULATOR SYSTEMS)
AC TAP.
(TACH)
(D+) INDICATOR
LIGHT
TERM.
GROUND
ALTERNATOR
TERMINAL IDENTIFICATION (REMOTE REGULATOR)
TROUBLESHOOTING GUIDE
REMOTE REGULATOR SYSTEMS
PROBLEM PROBABLE CAUSES
Battery undercharged
1.
Defective cables, dirty battery
1.
- ammeter (if used) indicates posts, corroded terminals, etc.
constant discharge.
- indicator
lamp remains on.
2. Loose or broken belt. 2.
3. Worn or broken brushes. 3.
4. Defective alternator system.
4.
Battery undercharged
1. Indicator lamp burned out or 1.
- indicator lamp off with key defective wire harness.
on & engine stopped. (Normal
condition is lamp on.) 2. Broken brush. 2.
3. Defective alternator system. 3.
Battery overcharges
1.
Poor ground. 1.
- excessive use of water. 2. Defective alt. system. 2.
- ammeter (if used) shows
constant excessive charge.
voltmeter indicates greater
than
14.5 volts (connected
across battery with no
load)
with engine idling.
Battery charges at idle, but
1. Slipping belts. 1.
discharges under load
2. Alternator defective
conditions.
2.
Indicator lamp glows slightly
1. Defective diode-trio. 1.
under moderate load; battery
appears charged.
84
CORRECTIVE ACTION
Check, clean, repair or replace
as needed.
Check belt.
Replace
brush assy.
Refer to "Problem Area
Determination
Section".
Check bulb
& harness.
Replace brush assy.
Refer to "Problem Area
Determination
Section".
Check
ground.
Refer to
"Problem Area
Determination
Section".
Check belts
and adjust tension
or
replace as necessary
Disassemble, check diodes.
Remove
& replace.
l

Universal M-12 Specifications

General

Brand	Universal
Model	M-12
Category	Engine
Language	English