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Home >> GMC >> 1997 >> Forward Control 7.4 J >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls - System/Component Tests - 6.5L (P Series)) >> Miscellaneous Pcm Controls >> Scan Tester

Scan Tester

WARNING: This page is about a different variant/trim than selected.

A variety of information is transmitted through Data Link Connector (DLC). This data is transmitted at a high frequency which requires a Tech 1 Scan Tester (94-00101A), appropriate cartridge kit and vehicle interface module kit, or other scan tester for interpretation. Several scan testers (scan tools) are available for diagnostic work. Scan testers other than Tech 1 scan tester will function and provide information for diagnostic work.

COOLING FAN RELAY LOCATION

Application Location
"P" Series Under Battery Junction Block, On Engine Bulkhead Relay Bracket
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