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Fuel System: Notes

WARNING: ALWAYS relieve fuel pressure before disconnecting any fuel injection-related component. DO NOT allow fuel to contact engine or electrical components.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Basic diagnosis of fuel system should begin with determining fuel system pressure.

Fig 1: Identifying Power Distribution Center Components (Cherokee)
G00010237Courtesy of DAIMLERCHRYSLER CORPORATION
Fig 2: Identifying Power Distribution Center Components (Grand Cherokee)
G00010240Courtesy of DAIMLERCHRYSLER CORPORATION
Fig 3: Identifying Power Distribution Center Components (Wrangler)
G00010219Courtesy of DAIMLERCHRYSLER CORPORATION