No Power to OBD2 Port, no blown fuses... help? - Pontiac Solstice Forum

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Old 11-12-2012, 12:07 PM   #1 (permalink)
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No Power to OBD2 Port, no blown fuses... help?

Brand new to this, but I need some help and didn't see this question answered anywhere.

Just bought a 2006 Solstice - great car, and I really enjoy it so far. However, I can't get my emissions test because there's no power to the OBD2 port. I checked all my fuses (literally checked every single one under the passenger dash and under the hood), followed my wires from the port to the firewall, everything looks fine.

Just installed some new interior lighting, but used the wiper fuse for power. Lights work fine and wipers work fine, so I don't think that's the issue either. Any ideas??
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Old 11-13-2012, 02:34 PM   #2 (permalink)
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Although your lights are working you may want to undo that mod and see what the results are.
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Old 11-29-2012, 09:03 PM   #3 (permalink)
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I have read the ignition switch is the most common problem and I have read it could be the 12v fuse. If not, dealerships use a different scan tool (or should) that "cheap" or "cheaper" scan tools can not pick up or get power to.
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Old 11-30-2012, 05:19 AM   #4 (permalink)
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Just making sure, but you do have to have the keys in, and turned, correct?
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Old 11-30-2012, 07:21 AM   #5 (permalink)
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According to the wiring diagram I have, the power to OBD is "always on" sourced via fuse #29 in the under-hood fuse box. The wire comes direct from that fuse and no other equipment or connectors are in-line.

I suggest you check fuse 29 very carefully. Either test for voltage with a meter, or just replace it if you don't have one, because fuses can look good but be bad.
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