2004 Ram 1500 3.7 to 4.7 engine swap

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

Fred Mick

Junior Member
Joined
Jan 24, 2021
Posts
1
Reaction score
0
Location
Jackson Ohio
Ram Year
2004
Engine
3.7
I need help. I have a 2004 Ram 5 speed. I purchased a 4.7 out of a 2005 Jeep Grand Cherokee automatic. I need help with the wiring harness. I know I have to change the ECM but will I have to change the wiring harness on the engine?
 

HemiLonestar

Senior Member
Military
Joined
Jun 1, 2012
Posts
5,991
Reaction score
2,952
Location
MD
Ram Year
2016
Engine
5.7 hemi
Sooooo....you're actually asking if you need to change the harness on a V6 for a V8.......?
 

Staff online

Forum statistics

Threads
194,926
Posts
2,864,180
Members
155,296
Latest member
VLG6963
Top