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I have a 2003 western star with a 14lt. detroit in it I am putting a 3406e cat in it. I have a wiring harness from the ecm to the cab from a older 1994 western star does anyone know if that will work or not or what I need to do ? Thanks

 

My detroit now has over a million miles on it and I never liked the egr engine to many sensor problems. The 3406e I have is a 5ek 475hp from a 1995 western star. The ecm to cab plug is the same plug but I did notice that the wires in the plug looked to be in differant places in the plug. So now I'm wondering if I would have to change the the whole wiring harness inside the cab.

 

If anyone has a 4964ex western star 2000 or newer with a 3406e cat in it I would like to get a vin# so I can get a wiring harness I think that may be the way I'll have to go on this swap. Any input would be greatly appreciated. Thanks

 

MAWK makes an adapter harness for 70pin to 40pin I now am wondering if I could go to a salavage yard and get a cab to engine harness and get the adapter haness if that would work even though my truck came with a detroit? I have not heard about doing a delete on a detroit what is that and how is it done?

 

That would be great it would proably get better fuel mileage too. Where can I get the delete done or would I need to send my ecm to someone? Thanks for the info that will be the way to go.

 

Ok thanks I'll try to contact him