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Home >> GMC >> 1969 >> C35/C3500 Pickup 5.7L Eng, Not Available Trans, Gas >> Repair and Diagnosis >> Engine Performance >> Ignition System >> DELCO-REMY Transistorized >> Testing & Trouble Shooting >> Testing >> Diode D1
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Diode D1

If both readings are zero, diode is shorted; if both readings are infinite, diode is open.