.

you have to be precise
first do you meter correction readings
(probe wires head to head)

I practice to change any above 1 ohm - measured cold GP only.


from your post I would say that you have those 6 ohm to change

.

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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded
next wish/project: w114 coupe OM603 powered