Section 6

DIAGNOSTIC TESTS

 

14

TEST POINTS C

18

 

 

TEST POINTS B

 

 

 

 

 

 

 

 

 

TEST POINTS A

 

 

 

1

 

2

4

15B

15

 

5

 

6

8

 

 

 

 

 

9

 

10

12

 

15

 

 

13

 

14

0

 

 

SSR

 

 

 

 

15

 

229

JUMPER LEAD

 

 

 

 

 

 

 

 

 

 

 

ADDED TO GROUND

Figure 6-43. – Start Stop Relay (SSR) Energized

TEST 33 - TEST WIRE 167

PROCEDURE:

1.Set a voltmeter to measure DC voltage.

2.Remove the J2 connector from the circuit board. Connect the positive meter test lead to Pin Location J2-5, Wire 167 on the removed harness connector. See Figure 6-44 Connect the negative meter test lead to frame ground. Place the Start-Run- Stop switch (SW1) to start. The engine will crank and 12 VDC should be measured. If 12 VDC is measured, stop testing. If 12 VDC is not measured continue testing.

12 vdc

J2-1J2-12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAKE SURE THE TEST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBE CONNECTOR IS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAKING CONTACT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WITH THE CONNECTOR.

J2 HARNESS CONNECTOR

DOUBLE CHECK TO

MAKE SURE THAT THE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIP IS SHARP.

Figure 6-44. – Test Wire 167, Step 2

3.Connect the positive test lead to Wire 167 at Terminal Block 1 (TB1). Connect the negative meter test lead to frame ground. Place the Start-Run-Stop Switch (SW1) to start. 12 VDC should be measured. If 12 VDC is measured, replace Wire 167 between TB1 and the J2 connector. If 12 VDC is not measured continue testing.

86

15B

167

BLK

12 vdc

0

229

83

BLK

TERMINAL

 

TR2

 

BLOCK

 

 

TR1

 

(TB1)

 

 

 

 

Figure 6-45. – Test Wire 167, Step 3

4.Connect the positive test lead to Wire 167 with it connected at the Start Run Stop Switch (SW1). Connect the negative meter test lead to frame ground. Place the Start-Run-Stop Switch (SW1) to start. 12 VDC should be measured. If 12 VDC is mea- sured, repair or replace Wire 167 between SW1 and the TB1. If 12 VDC is not measured continue testing.

 

0

 

 

12 vdc

 

 

 

 

STOP

6

3

0

STEP 4

 

 

 

RUN

5

2

167

 

 

 

STEP 5

START

4

1

15

 

 

 

 

 

17

15

 

 

Figure 6-46. – Test Wire 167, Steps 4 & 5

5.Connect the positive meter test to Wire 15 at SW1. See Figure 6-46. Connect the negative meter test lead to frame ground. 12 VDC should be measured. If 12 VDC is measured, replace SW1. If 12 VDC is not measured repair or replace wire 15 between SW1 and the Starter Contactor Relay (SCR).

Page 55

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Image 57
Guardian Technologies 4451 & 4986, 4582 & 4987, 4583, 5308 manual Test 33 Test Wire, Run

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

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