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In addition to Don's suggestions, try jumpering the Fuel Relay coil ground terminal (#85,BL/GN wire) straight to ground. If it runs that way, something is still wrong in that Ignition Coil #1 to ECU#1...ECU #18 to relay #85 path.
Also check and clean the 25 AMP fuse (main power source), and Fuse 12 to Fuel Relay #86 (coil + side) and also ECU pin 18.
BTW, you probably know this by now, but the Fuel Relay is the one on the Right.
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Bruce Young, '93 940-NA (current) '80 GLE V8 (Now gone) '83 Turbo 245 '73 142 (98K) '71 144 (track modified--and still here) New 144 from '67 to '78 Used '62 122 from '63 to '67
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