ENGINE-ELECTRICAL 6Y-14
F
2
3
4
WIRING HARNESS
CONNECTOR
VOLTMETER
F ig . 10c—Testing Fie ld Relay
b. Test lamp does not glow - the resistor is open
circuited - note also that dash lamp does not
glow during this test because series resistance
of the
2
bulbs causes amperage to be too low.
Field Relay Checks and Adjustment
To check for a faulty relay proceed as follows:
1. Connect a voltmeter into the system at the regulator
No. 2 terminal to ground (fig. 11c).
2. Operate the engine at fast idle (1500 to 2000 rpm)
and observe voltmeter reading.
3. If voltmeter shows zero voltage at regulator, check
circuit between No. 2 terminal on regulator to “ R”
terminal on Delcotron.
4. If voltage at regulator exceeds closing voltage speci
fication and light remains on, regulator field relay
is faulty (Refer to specifications). Check and adjust
regulator as follows:
Closing V oltage Adjustment
1. Make connections as shown
50 ohm variable resistor.
in Figure 11c using a
NOTE:
This gives us a variable resistance in
series from a hot lead to the relay coil.
2. Turn resistor to “ open” position.
3. Turn ignition switch off.
4. Slowly decrease resistance and note closing voltage
of the relay. Adjust by bending heel iron in the
manner illustrated in Figure 12c.
W IR IN G H A R N E S S
C O N N E C T O R
F ig . 11c—F ie ld Relay C lo sing V oltage Test
Other Harness Checks
Other wires in the charging system harness need be
checked for continuity by use of an ohmmeter or a test
light (12 Volt). Connect the test lamp so the wire in
question is in series in the test circuit.
Full Transistor Regulator Test Procedure
6 .6 " Generator System — 130 AM P (Fig. 14c)
The full transistor test procedures are made for the
F ig . 12 c —Adjusting F ie ld Relay Clo sing V o ltage
CHEVROLET TRUCK SERVICE MANUAL
Содержание 10 Series 1968
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Страница 52: ...HEATER AND AIR CONDITIONING 1A 21 Fig 32 Charging Schematic CHEVROLET TRUCK SERVICE MANUAL...
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Страница 128: ...BODY IB 61 Fig 135 A uxiliary Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 132: ...Fig 4 1 0 3 0 Series Truck Frame...
Страница 133: ...Fig 5 4 0 6 0 Single A xle Truck Frame E x c Tilt Cab...
Страница 135: ...Fig 7 4 0 6 0 Series Tilt Cab Truck Frames...
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Страница 223: ...REAR SUSPENSION AND DRIVE LINE 4 54 Fig 101 Forward Rear Axle Assembly Exploded View CHEVROLET TRUCK SERVICE MANUAL...
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Страница 248: ...BRAKES 5 15 TD 50 60 Fig 26 Parking Brake Cables T Models CHEVROLET TRUCK SERVICE MANUAL...
Страница 299: ...BRAKES 5 56 Fig 88 Frame Mounted Vacuum Single Diaphragm Power Brake Installation CHEVROLET TRUCK SERVICE MANUAL I...
Страница 331: ...BRAKES 5 88 Fig 126 Stopmaster Brake Components Automatic Adjuster with Fail Safe CHEVROLET TRUCK SERVICE MANUAL...
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Страница 398: ...ENGINE FUEL 6M 5 Fig 7 C Throttle Linkage GS100 200 Fig 8C Throttle Linkage GE100 200 CHEVROLET TRUCK SERVICE MANUAL...
Страница 409: ...ENGINE FUEL 6M 16 Fig 12A CM KM 250 CM350 Fig 13A CM KM 250 CM350 CHEVROLET TRUCK SERVICE MANUAL...
Страница 410: ...ENGINE FUEL 6M 17 Fig 14A PE200 300 TE400 500 600 Fig 15A PT200 300 CHEVROLET TRUCK SERVICE MANUAL...
Страница 411: ...ENGINE FUEL 6M 18 Fig 18A V 8 Typical CHEVROLET TRUCK SERVICE MANUAL...
Страница 412: ...ENGINE FUEL 6M 20 ENGINE FUEL 6M 19 Fig 21 A CE100 200 With Heat Stove CHEVROLET TRUCK SERVICE MANUAL...
Страница 413: ...ENGINE FUEL 6M 20 Fig 2 2 A C S K A 1 00 200 CS300 With Heat Stove CHEVROLET TRUCK SERVICE MANUAL...
Страница 414: ...ENGINE FUEL 6M 21 Fig 25A CS PS SS400 CS M S SS500 CS600 TSOOO With Heat Stove CHEVROLET TRUCK SERVICE MANUAL...
Страница 470: ...CLUTCHES AND TRANSMISSIONS 7 7 Fig 14 Clutch Linkage Exploded View CHEVROLET TRUCK SERVICE MANUAL...
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Страница 549: ...STEERING 9 16 KA 10 20 CE ME SE 50 CE SE 60 Fig 29 Typical Power Steering Hose Routing CHEVROLET TRUCK SERVICE MANUAL...
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Страница 583: ...CHASSIS SHEET METAL 11 12 Fig 20 Designation and Name Plate CHEVROLET TRUCK SERVICE MANUAL...
Страница 585: ...CHASSIS SHEET METAL 11 14 SPECIAL TOOLS Fig 24 J 5544 1 Hood Spring Remover CHEVROLET TRUCK SERVICE MANUAL...
Страница 587: ...ELECTRICAL BODY AND CHASSIS 12 2 Fig 1 Fuse Panel CHEVROLET TRUCK SERVICE MANUAL...
Страница 591: ...ELECTRICAL BODY AND CHASSIS 12 6 CA SA MA 50 60 CHEVY VAN Fig 9 Front Lighting Assemblies CHEVROLET TRUCK SERVICE MANUAL...
Страница 596: ...ELECTRICAL BODY AND CHASSIS 12 11 Fig 15 Electrical Components Conv Cab CHEVROLET TRUCK SERVICE MANUAL...
Страница 611: ...r ELECTRICAL BODY AND CHASSIS 12 26 9 CHEVROLET TRUCK SERVICE MANUAL...
Страница 622: ...ELECTRICAL BODY A N D CHASSIS 12 37 IGNITION SWITCH Fig 44 Engine Compartment PA20 30 CHEVROLET TRUCK SERVICE MANUAL...
Страница 623: ...ELECTRICAL BODY A N D CHASSIS 12 38 Fig 45 Engine Compartment PS40 CHEVROLET TRUCK SERVICE MANUAL...
Страница 633: ...ELECTRICAi BODY A N D CHASSIS 12 48 Fig 55 Engine Compartment SE50 60 02 62 CHEVROLET TRUCK SERVICE MANUAL...
Страница 634: ...YJ ELECTRICAL CHASi V 49 4 Fig 56 Engine Compartment C D C G CD60 CHEVROLET TRUCK SERVICE MANUAL...
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Страница 698: ...SPECIFICATIONS 12 ENGINE TORQUES CHEVROLET TRUCK SERVICE MANUAL...
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