Section 6

DIAGNOSTIC TESTS

1616

8717

1586 87a 85

30

OL

14

WIRE 14

REMOVED 14

13

WIRING DIAGRAM

R1

30

87a

87

D2

8586

Figure 6-13. – Starter Contactor Relay

3.0 vdc

14

R1

14

D2

4

4

Figure 6-14. – Testing Field Boost

TEST 8 - DIODE/RESISTOR

PROCEDURE:

1.Set volt meter to the diode test range.

2.Disconnect the six pin connector from the Voltage Regulator.

3.Disconnect Connector C1. See Page 17 for connector location.

4.Disconnect both wires from the Resistor (R1).

5.Connect the positive meter test lead to the top terminal of the diode (D1). Connect the negative meter test lead to the bottom of the diode (D1). See Figure 6-15. INFINITY or an open condi- tion should be measured.

4

4

Figure 6-15. – Diode Test Step 5

6.Connect the positive meter test lead to the bottom terminal of the diode (D1). Connect the negative meter test lead to the top of the diode (D1). Approximately 0.5 Volts should be measured.

.5 vdc

14

WIRE 14

REMOVED 14

R1

D2

4

4

Figure 6-16. – Diode Test Step 6

7.Set volt meter to measure resistance.

8.Connect one meter test lead to the top terminal of the diode (D1). Connect the other meter test lead to the ground terminal. INFINITY or an open condition should be measured.

9.Connect one meter test lead to one terminal of the resistor (R1). Connect the other meter lead to the remaining terminal of resistor (R1). See Figure 6-17. Approximately 25 ohms should be measured.

Page 42

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Image 44
Guardian Technologies 4582 & 4987, 4451 & 4986, 4583, 5308 Test 8 DIODE/RESISTOR, Set volt meter to the diode test range

5308, 4583, 4451 & 4986, 4582 & 4987 specifications

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