JeepFreak21
NAXJA Forum User
- Location
- Cameron Park, CA
Many XJs and MJs came lacking a tachometer and real warning gauges. Instead these gauge clusters have a huge gas gauge and "idiot" lights for the oil pressure, coolant temp, and alternator. Swapping in a full factory gauge cluster in place of these less favorable gauges is a popular modification. Here is what you need to know:
With every pre-'97 swap, from idiot lights to gauges, you will need a new oil pressure sending unit and a coolant temperature sending unit.
'84-'96 Oil pressure sending unit is Mopar #56026779
'84-'96 Coolant temperature sending unit is Mopar #56027012
'97-'01 Oil pressure sending unit is Mopar #56031005
'97-'01 Coolant temperature sending unit is Mopar #56027873
'84-'96 Gauge clusters look very similar, but the main difference is the speedometer cable.
'84-mid '87 and mid '87-'90 use two different speedometer cables. If you're swapping gauges from a '84-'90 XJ, you will need to get the speedometer cable from the donor vehicle.
Gauge clusters from '91-'96 get input for the speedo electronicly.
Clusters from '97+ XJs are also completely electronic, but different from all others ('96 and older).
So... '84-'90 are interchangeable (as long as you get that speedo cable!). '91-'96 are interchangeable . And '97-'01 are interchangeable (also interchangeable with '97+ Wranglers).
With every pre-'97 swap, from idiot lights to gauges, you will need a new oil pressure sending unit and a coolant temperature sending unit.
'84-'96 Oil pressure sending unit is Mopar #56026779
'84-'96 Coolant temperature sending unit is Mopar #56027012
'97-'01 Oil pressure sending unit is Mopar #56031005
'97-'01 Coolant temperature sending unit is Mopar #56027873
'84-'96 Gauge clusters look very similar, but the main difference is the speedometer cable.
'84-mid '87 and mid '87-'90 use two different speedometer cables. If you're swapping gauges from a '84-'90 XJ, you will need to get the speedometer cable from the donor vehicle.
Gauge clusters from '91-'96 get input for the speedo electronicly.
Clusters from '97+ XJs are also completely electronic, but different from all others ('96 and older).
So... '84-'90 are interchangeable (as long as you get that speedo cable!). '91-'96 are interchangeable . And '97-'01 are interchangeable (also interchangeable with '97+ Wranglers).
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