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V8 swap looks good a/c is confused


Ranger8

New Member
Joined
May 11, 2016
Messages
20
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0
City, State
Aiken S.C
Year, Model & Trim Level
1998 ranger
Recently purchased a 98 2wd ranger that has a 99 mountaineer 5.0 engine installed. The computer and transmission are from a 97. The problem is that the compressor runs when it should be off and is off when it should be on. This includes the "off" position (compressor is on). Cold air, fan, vac operated doors all work. My past experience is with pre 70s Classic cars and is little help here. Any suggestions would be appreciated.

Ranger8
 


Mike65

Elite Explorer
Joined
December 31, 2013
Messages
3,000
Reaction score
168
Location
In my garage working on one of our vehicles.
City, State
Toms River, NJ
Year, Model & Trim Level
00 Ranger 4x4, 99 Sport.


SoHK_alumni

Active Member
Joined
July 29, 2014
Messages
463
Reaction score
11
City, State
Tampa, FL
Year, Model & Trim Level
5.0 V8 2002 Ranger
The clutch coil relay is a single pole double thow. Might get away with a simple re-pin.

A/C control logic is very different beween the Ranger and Expo with most Expo 5.0 into Rangers, often the trickiest bit in the whole wiring.
 


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