midnightmoonlight Posted November 25, 2007 Share Posted November 25, 2007 I have a 95 LT1 F-Body thats data link is giving me problems. It was the one with a OBD1 computer but had the OBD2 data link connector. My problem is I have the OBD1 connector hooked up like a OBD1 should be but Im not getting any data. Everything is hooked up right and all the PCM power and grounds checked out. I used the D20 and D30 connected to the obd1 and have it grounded. I double checked that all the connections are right m b and a. Is there a different hookup for this obd1 computer that uses a obd2 conecter? Quote Link to comment Share on other sites More sharing options...
midnightmoonlight Posted November 25, 2007 Author Share Posted November 25, 2007 Okay I have no switched power with a bit of investigation. I have switched power to the LT1 fuse block at the ignition fuse and to the two harness connectors that meet the main PCM harness. All the fuses and relays have + and switched where they need it. Now what am I missing I'm not getting switched power to the black and blue PCM connectors for ignition feeds. Quote Link to comment Share on other sites More sharing options...
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