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Thread: Electric Fans

  1. #1

    Default Electric Fans

    When using Sniper to control electric fans, do you just use fan wire from Sniper harness to the relay wwere old temperature sensor that controlled fans before? Sorry, wiring not my strong suit, thanks.

  2. #2
    Join Date
    Dec 2009
    Location
    Connecticut
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    18,687

    Default

    Yes, the Sniper EFI electric fan ground wires (pin C, light blue - Fan #1 & pin D, light green Fan #2) trigger the relay coil − (terminal #85). Please read the instruction manual (LINK - page 17 & 50).
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  3. #3

    Default

    Good evening, I have dual fans with one relay. Do not have A/C. My question is what temp will pin C or pin D ground the relay? Or is this programmed with the controller? Thank you, Josh.

  4. #4
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    18,687

    Default

    Yes, it's user programmable, with the Sniper 3.5" touchscreen unit. Please read the Sniper instruction manual (LINK - page 50).
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  5. #5

    Default

    I've install and wired the Sniper EFI and performed the setup. Attempted to start and I have no spark from the coil. I'm working on a Chrysler 440 with MSD 6AL Plus ignition box, 2-wire MSD distributor & MSD Blaster 2 coil. I have good 12 volt switched ignition. And the single violet wire connected to tach output on ignition box. I performed spark test recommended in ignition box manual and I have good spark out of coil. Any direction would be helpful.

  6. #6
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    18,687

    Default

    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

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