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3 1. Disconnect and remove the mode switch. 2. Connect a DMM between the switch signal and 5 volt 3. Measure the resistance through the mode switch Does the DMM indicate all Neutral 2,424-2,574 ohms 4 HI 3,553- 3,773 ohms 4 HI Lock 1,817-1,930 ohms 4 LO Lock 5,256-5,581 ohms Differential Lock 747- 793 ohms Normal 16,878- 17,922 ohms Go to Step 4 Go to Step 7 4 Check the voltage on the 5-volt 4.8-5.1 V Go to Step 6 Go to Step 5 5 Test the 5-volt reference circuit for - Go to Step 9 Go to Step 8 6 Test the switch signal circuit for a - Go to Step 9 Go to Step 8 7 Replace the mode switch. Refer to - Go to Step 9 -
2007 Hummer H3 2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3
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