I use an Edge Insight CTS. It's like a programmer, but strictly a monitor. Allows you to choose MANY different parameters. Plugs right into the OBDII port. Easy peasy japanesey. Works GREAT!!
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2011 Keystone Alpine 3500RE w/ Trail Air Tri-Glide
2011 GMC Sierra Denali 3500HD SRW B&W Turnover Ball w/ 5th Wheel Companion
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