JJ I'm not sure what you're inferring. The Trimble/AL system DOES work w/the JD steering valves. We're using that setup on combine, no problem. However, I thought the original poster was referring to wiring etc. If not-my apologies. Yes, Trimble/AL system DOES work w/JD steering valve just as well as it works w/Trimble valve. Absolutely NO problem! Here's our JD valve, installed in JD combine that did NOT have valve, powered by AL/Insight/Trimble 
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any other auto steer compatible with jd
