mpem interchangeability

[Richard Naugle]

i have a 278000200 mpem out of a 1992 gtx and i was wondering if i can use this in my 93 explorer ?? they apear to be the same except for the external circut breakers..
would like to know before i plug it in and power it up in case ican fry something..

 

[Richard Naugle]

forgot to say mine was a 278000262..