Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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Jeep
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1990
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Wagoneer
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes - 4.0L
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Self-Diagnostic System
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Retrieving Codes
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Notes
Retrieving Codes: Notes
Download the full database via torrent (~1.1 TB)
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Download Brad's custom LEMON patches
NOTE:
Manufacturer recommends using DRB-II (Diagnostic Readout Box-II) to diagnose the system. See
DIAGNOSIS WITH DRB-II & JEEP ADAPTER
for complete diagnostic instructions.