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Treachery · 10-04-2005, 08:08 PM

I went to Ford parts and said that i wanted to get a replacement EEC-IV (A9L) for my 93 Mustang GT (manual transmission)

The replacement received was labeled (reman) C3W1.

I did some research and soon discovered that C3W1 is for Automatic Transmission.

I called Ford parts the parts person said that the C3W1 is an "updated part number". I asked him to double check and upon checking, he said that the C3W1 is good for both manual & automatic transmissions.

Is he correct? I'm going to have a custom chip burned because of a blower install.

10-04-2005, 08:08 PM	#1
Treachery Registered Member Join Date: Jul 2002 Posts: 38	Eec-iv A9l = C3w1 I went to Ford parts and said that i wanted to get a replacement EEC-IV (A9L) for my 93 Mustang GT (manual transmission) The replacement received was labeled (reman) C3W1. I did some research and soon discovered that C3W1 is for Automatic Transmission. I called Ford parts the parts person said that the C3W1 is an "updated part number". I asked him to double check and upon checking, he said that the C3W1 is good for both manual & automatic transmissions. Is he correct? I'm going to have a custom chip burned because of a blower install.