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Old 02-05-2018, 04:25 PM   #81 (permalink)
Thijmen156
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Join Date: Sep 2017
Location: The Netherlands
Posts: 73

Quote:
Originally Posted by OkDually View Post
I would install a fresh OPS with that new lift pump.

1995 trucks need the OPS relay mod installed to help take the electrical load off of the OPS.
https://www.dieselplace.com/forum/63-...di-trucks.html
Thanks for the reply! Everything makes sense now I read that thread you linked me. I did not know that when cranking the truck the ECM sends power to the Lift pump. When started the OPS takes over. I measured the voltage on the LP while a buddy of mine cranked the truck... So it probably never received enough/any power while running.. Makes total sense now. Will order a new OPS tomorrow and I'll work on that relay mod after, thanks!

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