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<blockquote data-quote="project f-150" data-source="post: 1489186" data-attributes="member: 566083">The main ign. harness is found going to the key cylinder. Sometimes requires removing the knee bolster(part under dash above where your knees would be just below steering wheel) or sometime you can get lucky andjust lay under the dash and see it. if you can just trace it back to where you can easily acess it and tap in. the wires in the ignition harness for power,ground, acc,and starter are usually a lot thicker prob. 10-12 guage. but in newer cars can be a lot thinner and are used to drive relays. sorry not sure off top of my head in the mazda 3. The only caution i give if using these wires is to remember to test very carefully and dont use anything in yellow tape or in a yellow casing. well unless you wanna see how your airbag works<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />But to be honest for a sirius unit which has very little current draw using a fuse tap on the radio circuit should work perfectly 4 you. the only reason i didnt mention an add a fuse is i have never seen one for the mini fusses which your car posesses.any more questions just shoot me an e-mail <a href="http://mailto:" target="_blank">chris00100@excite.com</a></blockquote>

[QUOTE="project f-150, post: 1489186, member: 566083"] The main ign. harness is found going to the key cylinder. Sometimes requires removing the knee bolster(part under dash above where your knees would be just below steering wheel) or sometime you can get lucky andjust lay under the dash and see it. if you can just trace it back to where you can easily acess it and tap in. the wires in the ignition harness for power,ground, acc,and starter are usually a lot thicker prob. 10-12 guage. but in newer cars can be a lot thinner and are used to drive relays. sorry not sure off top of my head in the mazda 3. The only caution i give if using these wires is to remember to test very carefully and dont use anything in yellow tape or in a yellow casing. well unless you wanna see how your airbag works:) But to be honest for a sirius unit which has very little current draw using a fuse tap on the radio circuit should work perfectly 4 you. the only reason i didnt mention an add a fuse is i have never seen one for the mini fusses which your car posesses. any more questions just shoot me an e-mail [URL="mailto:"]chris00100@excite.com[/URL] [/QUOTE]

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