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Found 2 results

  1. ktm841

    1j / 2j Ignition Coil amp draw?

    So I am rewiring my whole x8, it has a 1j with stock Ignition Coils. The circuit will be switched to manually complete the coil circuit. I am trying to find out how many amps all 6 coils will draw. After doing some research, I have found that calcuting the amps drawn off of an ignition coil is fairly complicated (you have to know dwell, capacitor ratings, peak voltage, resistance changes, etc)... I don't have any of the equipment or knowledge to do that. I know they are ran through the AM2 30a fuse if you swap into an mx83, obvisouly that fuse is setup for a stock 7m not sure what a jzx has but I do know that the AM2 30a is capable of running everything considering it doesn't blow so..... Need opinions on this theory. I am using 14.5 volts on this as higher voltage = higher amp draw. AM2 30a powers: -Injectors. my stock 1j 350's averaged 13.5ohms = 1 amp x6 = 6amps -15a EFI fuse = Not sure everything that this powers but fuel pump, o2, and ECU. but its rated 15a so = 15a -7.5 IGN fuse = +12v ecu, = 7.5a That gives me 28.5 amps, not much room left for the coils. Obivoulsy the EFI and IGN fuses aren't going to be pulling that much current, so lets say 5 and 10, thats still only 9amps for coils... So based on this theory than can't pull more than 10 amps right?
  2. I'm almost finished building my megasquirt 3X and I'm looking for a new set of coil packs for my 1JZ so I can go full sequential ignition and fuel. I haven't headed out to the junkyards yet to see what might fit, but I thought I would throw out a query and see if anyone knows of any logic-level (on board igniter, usually 3 pin) coils that fit, or can be readily made to fit a 1J.