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Author Topic: msd tfi coil is arc'ing onto itself??? gercolla1 ¯ Member # 3068 posted                                 Among other things,I noticed in the dark that the coil was arc'ing onto itself. I saw tiny little sparks going from the red plastic body to the outer square metal housing. Odd? or what? -------------------- Sf Bay Area Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003  |  : Wildfire532FB CAFords OG Member # 1482 posted                                 Mine was doing that too. Infact every coil i put on my Jeep did that. I just put a MSD coil on my 95 and i put the 95s stock coil on my Jeep and its not doing it yet. I am kinda nervous about my 95 though. The coil i put on the 95 was arcing when i put it on the Jeep and its brand new -------------------- ./_ _ _ ___ __\ (]]]_ _ o _ _[[[) |\_o_ __ __o_/| |__|..........|__| 68 Fastback 84 CJ7 94 HMMWV 95 GT 03 F350 17 Fusion Hybrid Posts: 17578 | From: 530 | Registered: Jun 2002  |  : Blind 2.3L CAFords OG Member # 3052 posted                              I would check the engine grounds, or just add another one from one of the heads to the swaybar bolts on the frame rail. -------------------- 89 LX Notchback ex 4cyl, 14psi 02 Harley F150, 15psi Posts: 8521 | From: Fairfield | Registered: Jul 2003  |  : Wildfire532FB CAFords OG Member # 1482 posted                                 my grounds are fine. -------------------- ./_ _ _ ___ __\ (]]]_ _ o _ _[[[) |\_o_ __ __o_/| |__|..........|__| 68 Fastback 84 CJ7 94 HMMWV 95 GT 03 F350 17 Fusion Hybrid Posts: 17578 | From: 530 | Registered: Jun 2002  |  : getjobdone ¯ Member # 4666 posted                              mine did this when i put on some new msd 8.5mm wires. i noticed that the boot didn't completely cover the metal which ibelieve was the cause of the arcing. i then realized i had the coil wire on backwards and when i switched it around the boot completely covered the metal part. i haven't seen any arcs since... -------------------- 91 notch ^ blown h/c/i Posts: 677 | From: east bay,ca | Registered: Jul 2004  |  :

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