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Discussion Starter · #1 ·
I’ve got a ‘97 TJ with the 4.0. On the drivers side by the firewall under the hood is this plate.
4519424

Does anyone know what it’s for?
 

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With calif emissions they put the evap pump there

On no calif emissions TJ nothing goes there

The guy that sold me my 98 claimed it was anti lock brake but it was evap pump as my 98 sport never had anti lock brakes


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I was always under the impression that it was for the ABS system but wonder if it varied from year to year. I have the same plate in my 03 and all of the evap crap in the later models goes behind the passenger rear tire.
 

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My wife’s 04 rubi had nothing there
As after 2000 all emissions were same and all had evap pump in rear corner
No antilock brakes on here rubi


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My wife’s 04 rubi had nothing there
As after 2000 all emissions were same and all had evap pump in rear corner
No antilock brakes on here rubi


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I have a '99 TJ and it has the evap pump located there. Has far as I know it has never been near CA.
 

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Discussion Starter · #8 ·
Not sure what was an option to go there in my 02, but it is now the location for the locker pump
I‘m thinking it would be a good place fir an air compressor. The compressor would be good for airing back up after wheeling and to run a couple train horns.
 
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