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SST3193 · 04-05-2019, 06:13 PM

The friends all drill a hole in the firewall, insert a rubber tire valve stem, and then solder a wire to the valve core. then put a plastic cap on and you have a safe 12V source.

04-05-2019, 06:13 PM	#21
SST3193 Junior Member Join Date: Oct 2009 Posts: 37 Likes: 2 Liked 2 Times in 2 Posts	Re: timing light The friends all drill a hole in the firewall, insert a rubber tire valve stem, and then solder a wire to the valve core. then put a plastic cap on and you have a safe 12V source.