Ground issue TCCM

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tmp123

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Hello fella Raptor owners,

I have a nasty ground issue after replacing my driveline (engine, trans, TC). My steering controls dont work and I keep getting communication lost to TCCM and low voltage DTC s)

Does anyone have a clear location of grounding points? My battery and Alternator is good after tests.

codes found:
P1891 - Transfer Case Contact Plate Ground Return Open Circuit
B0001 - Driver Frontal Stage 1 Deployment Control


Greatly appreciate any advice.

Thanks
 
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