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Mercedes Benz
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1984
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500SEC
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Repair and Diagnosis
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Brakes
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Traction Control
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1983-88 & 1991 Brakes - Anti-Lock Brake System - 190E, 190D, 240D, 260E, 300CD, 300CE, 300E, 300D, 300SD, 300SDL, 300SEL, 300TD, 300TE, 350SD, 350SDL, 350SL, 380SE, 380SEC, 380SEL, 380SL, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL, 560SL
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Testing
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Test 6
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Testing Insulation Resistance Of Speed Sensor
Testing Insulation Resistance Of Speed Sensor
Follow TEST 5, step 1). Push ground button. Insulation resistance should be greater than 20 ohm.
If not, check for grounded speed sensor, cable and line connector, or coaxial plug.