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70422201R1
LED OPL and UniLinc Troubleshooting
4. An additional harness connection exists between the junction panel and the slip ring assembly. Inspect
connection for intermittent connections or unplugged harness.
5. Insert ohm meter probes into pins 1 and 2 of the harness unplugged from H5. If the metered value is infinite
resistance, open load (OL), proceed to Step 6. If not, replace harness and return to Paragraph 52.
6. Create a direct short between pin 1 and 2 of the moisture sensing harness on the control side of the slip ring
assembly (Refer to Figure 11). If the metered value is less than 1 ohm, proceed to Paragraph 54. If 1 ohm or
greater, replace harness and return to Paragraph 52.
TMB2399S
Figure 12
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