OPS Mod

[vernj4]

I have read about the subject modification but for the life of me I can not find it. Please point me in the right direction

[Barry Nave]

This is where you spend a little money at a time and keep all of JB Feature Articles and Product Reviews ;)
I got a little behind my self and have 4 more coming. Got them all but the latest one :rolleyes:
It deals with using a relay to power the lift pump so the ops contacts dont have the load of powering the lift pump,just the relay.
The new GM ACDelco switch part# 12555492 is GM upgraded to enhance the electrical contact durability.
Have had no problem with this switch now for 6+ Yrs.
Bad ops are also hard on lift pump by not supplying full current.

[ 02-22-2004, 12:01 PM: Message edited by: Bnave95 ]

[ucdavis]

Go to Join Us page and at the bottom order reprint of '99 articles (there's an index of articles there so you can be sure that's the right volume).

[Barry Nave]

99 Article just talks about the R&R of the OPS. and the OPS number as my post states