Mine is wired as gm wired it pcm supplying the 12v to the relay control then other relay control wire grounded to chassis. The switch side of the relay terminal 30 will connect to a 25 amp fuse in your key on powered fuse block and the normally open terminal 87 will connect to the terminal on the fuel pump.
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No power out on ecm fuel pump wire how to setup a relay wiring harness information remote 12v or lincoln ls diagram swap engine ls1 fuse diagrams auto 2002 camaro bosch the 1947 present system return style 14 pin connector check please full bad ground for oem nut box 1967 firebird tank need 2000 info 98 volvo s70 90 ls400 problem 85.
Ls swap fuel pump relay wiring. If using 4l60e or transmission with lockup torque converter relay 567 optional double electric fans. This ensures the pump gets the required amperage without over heating the wires. See key on fuse block picture below.
Hello i am using a 2000 pcm with an interior harnessbcm thats either a 99 or a 01 02 there were a couple of wires that didnt line up with the 2000 service manual so i dont think its a 2000 body harness. Please refer to how to. Relay 2 starter might not be needed depending on vehicle relay 3 key on power power when key is in run position.
Power fro the controlled side is 12v from battery jump terminal to one side of the controlled pins on relay other pin to the fuel pump via pin 13 in x20 connector and fuse 18 as bmw had it i used a gm relay instead of the bmw relay. January 7 2021 road trip usa 11 essential road trip routes hot rod lifestyle january 6 2021 alumaloy amazons cheap alternative to expensive aluminum welding products reviews january 5 2021 1954 ford f100 2000 lincoln towncar chassis swap for under 1000 builds and examples january 4 2021 diy drill powered spray paint can shaker diy projects. Ls1 wiring fuse diagram nut theory cfcarsnoleggio it.
Relay 1 fuel pump. Everything seems to work except the fuel pump relay. The stock pcmecu has a output wire that you can find here 99 02 or here 03 07 that you will connect to the power side of the relay coil terminal 86 on the relay connect terminal 85 to any groundbattery.
Do not run a 16 to 24 gauge primary wire to a fuel pump because it will cause a fire. Relay 4 torque converter clutch disengage. By feeding 12v on the supply leg and hooking the brake switch signal wire to the normally closed leg you will now have the correct signal for the pcm.
Ive also incorporated the lsx steering column so i do have the vats. Ls swap fuel system. When the brake is pressed 12v flows to brake lights tap into this wire and run it to the relay to turn the relay on.
Electric fuel pumps require a lot of current so its important to run a relay circuit from the pump trigger lead and to run 12 gauge positive and negative wires to the fuel pump.
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