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I've saved two posts by lucid (Bruce Young re. jumping fuel pump contacts.
from http://www.brickboard.com/RWD/index.htm?id=1027307
"What is meant by jumping fuse 4 and 6, and how is this done."
"Jumping" means applying voltage from fuse 6 to fuse 4 by connecting the left* side contacts. The voltage applied will go thru fuse 4 to the in-tank feed pump, and also from the fuse 4 contact to the main pump. The pumps should run immediately.
This is best done with a wire having alligator clip at each end.
Fuse 6 is just a convenient voltage source (6 thru 10 are always hot).
Fuse 4 is the tank pump fuse for 240s since '85. Earlier 240s use fuse 5.
* Using the Left side (closest to the door) contacts maintains the normal direction of current flow in the pump circuits.
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Bruce Young
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and another post, 9/11/06
Here are some things to try (try starting after 1, 2, and 3):
1) Try the new relay
2) Clean fuse #6 and its contacts (assuming it has replaced the older 25A fuse under the hood)
3) Bypass fuse #6 and relay with a jumper from LEFT side of fuse #6 to Left side of fuse #4. Both pumps should run immediately.
4) To hear the Tank pump run by itself, pull fuse #4 and put the jumper from 6 to the RIGHT (output) side of 4.
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Bruce Young
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Sven: '89 245 NA, 951 ECU, expanded air dam, forward belly pan reaches oem belly pan, airbox heater upgraded, E-fan, 205/65-15 at 50 psi, IPD sways, no a/c-p/s belt, E-Codes, amber front corner reflectors, aero front face, quad horns, tach, small clock.
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