I checked with my contact at Tekonsha about compatibility with your 2012 model year. I was advised that your best bet is a hardwired type harness # 119250KIT. I have linked an install video to give you a picture of how it will install. Your other option is to see a Suzuki dealership for information about wiring harnesses.
We do not offer any T-One quick-connect plug-in trailer wiring harness confirmed to fit your 2012 Suzuki SX4. The part # 118456 that you referenced fits the SX4 up to... view full answer...
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