older tach recalibration

[dropitlow]

88 ranger. i want to use the stock tach, are there pots on the back of the older tachs for adjustment? i have searched and searched these forums to no avail. i have found info on the 89+ rangers but not the 1st gens. any help would be appreciated.

 

[ecablarn]

I dug this up, I'm going to try on my 92.

http://www.therangerstation.com/forums/showthread.php?t=73807