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Cadillac
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2008
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XLR Base
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Repair and Diagnosis
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Accessories & Equipment
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Gauges & Instrument Panels
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Instrument Panel System Displays & Gages
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Diagnostic Information and Procedures
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Head Up Display (HUD) Always On
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Diagnostic Fault Information
Diagnostic Fault Information
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
HUD Battery Positive Voltage Circuit
1
1
-
HUD Ground Circuit
-
1
-
Dimmer/HUD Switch Ground Circuit
-
2
1
-
Dimmer/HUD Up Switch Signal Circuit
2
1
2
1
2
1
Dimmer/HUD Down Switch Signal Circuit
2
1
2
1
2
1
1. HUD Inoperative
2. HUD Always On