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GMC
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1993
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Magnavan 5.7 K
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Repair and Diagnosis
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Body & Frame
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Trouble Shooting
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Preliminary Inspection
Preliminary Inspection
Check to see that HORN/DM and/or IN-Line fuse(s) are not blown. If blown, locate and repair the source of the overload and replace fuse(s).
If fuse(s) are not blown, refer to
SYMPTOM INDEX
table under SYSTEM TESTS.