Can the IAT sensor wires be lengthened

Tiny
MIGUELITO MIGRA
  • MEMBER
  • 2017 RAM 2500
  • 6.7L
  • 6 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 12,000 MILES
Due to a modification the IAT sensor was relocated about five inches. Can the IAT sensor wires be lengthened by that amount? I am concerned about resistance and if it will negatively affect the sensor readings.

Cummins 6.7
Thursday, May 31st, 2018 AT 5:33 PM

3 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,480 POSTS
What was the modification? Adding wire should not cause a problem as long as it is done properly.
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Thursday, May 31st, 2018 AT 8:04 PM
Tiny
MIGUELITO MIGRA
  • MEMBER
  • 2 POSTS
Thanks for the reply Steve. I did a heater grid delete on a 6.7 Cummins. The new grid had the IAT mounted next to the head like previous years instead of on the outboard edge like the new OEM style. No issue there, except for the short wires. I did some artful harness rearranging, but I do not like it. Plan on soldering the connections and covering with shrink wrap. Thank you again for the reply.
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Friday, June 1st, 2018 AT 6:23 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,480 POSTS
For that it will not be a problem. You might want to grab a replacement off a scrap yard truck, that way you would only have one solder joint in the wire.

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Monday, June 4th, 2018 AT 8:02 AM

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