Kent-Moore J-39021-301 V6 Fuel Injector Test Harness
For General Motors. 4.3L, S/T, M/L J 39021-301 allows for testing of the individual injectors on the 1996 4.3L engine. The harness is used with the J 39021-210 Injector Selector Switch Box and the previously essential J 39021 Injector Tester. It attaches at the main fuel harness connector and allows pressure to drop and coil tests to be performed. Used with: J-39021 and J-39021-210Email
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