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OnStar System ('02 Model USA) OnStar System Radio Frequency Modulator Unit Input Test 1. Remove the rear seat (Refer to the '96 - '01 3.5RL Service Manual, P/N 61SZ305, for the items not shown in this sec- tion). 2. Disconnect the 25P connectors from the OnStar system radio frequency modulator unit. 3. Inspect the connector and socket terminals to be sure they are all making good contact. • If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. — If any test indicates a problem, find and correct the cause, then recheck the system. ONSTAR SYSTEM RADIO FREQUENCY MODULATOR UNIT Wire side of 25P CONNECTOR Main Menu Table of Contents |