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Old 04-08-2021, 06:10 PM   #104
SunSoaked
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Join Date: Dec 2011
Location: Yuma Arizona
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Re: 1973-1991 Dual fuel tank systems theory of operation

Quote:
Originally Posted by rodstored-72 View Post
Hatzie,
THANK YOU AGAIN for your time and sharing of your knowledge. I am currently looking to install my new '87 tbi tanks with installed AC DELCO EP 381 fuel pumps I also have a replacement AC Delco fuel valve (U7000) and a replacement WVE pigtail connector. I am wondering if you might share what/how I should connect the pump wires? the pumps have the "factory" weather pack connectors on them?
again thank you for your knowledge and time!!
the truck is 1986 2wd swb silverado with factory duel tanks doing a 4.8LS swap.
I have a similar question. On my 85 with factory dual tanks, am I splicing into the power wires to the senders to run the fuel pumps? Where does the "relay" come into play mentioned in earlier posts? Was that just a safety feature for the factory TBI systems from 87 up?
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