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Crank no start after installing incorrect coils?

Tiny
VANOSSSTER
  • MEMBER
  • 2015 FORD TRANSIT
  • 3.5L
  • V6
  • TURBO
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
The vehicle listed above is a Transit 350.
The van was running pretty well but for general maintenance I replaced the coils with some Walker coils I got from Rockauto. As soon as I finished, I tried to start the van and it just kept cranking but would not start. I took the new coils back out and noticed they only had two pins on the connector (missing the center one) whereas the original ones had 3 pins. Clearly, I got the wrong parts.
I replaced them with the original coils (Which had just been working 30 minutes ago) and the van still just cranks but won't start. I checked for spark and there was no spark. Also no codes. Everything in the engine bay is plugged in.

Could I have blown a fuse, module, or relay by plugging in the wrong coils?
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Tuesday, August 22nd, 2023 AT 10:11 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,940 POSTS
Yes, you could have blown a fuse #38, here is a guide to help check the fuse and the fuse locations under the hood please check them over and get back to me:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the images (below). Please let us know if you need anything else to get the problem fixed.

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Tuesday, August 22nd, 2023 AT 5:05 PM
Tiny
VANOSSSTER
  • MEMBER
  • 2 POSTS
Thanks! That fuse was blown and replacing it solved the problem. I'm very confused though because in the owner's manual it says fuse 38 in the engine bay fuse box is for the A/C clutch. How would this effect spark?
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Wednesday, August 23rd, 2023 AT 11:34 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,940 POSTS
They might share the circuit. Glad you could get it fixed, thanks for letting us know. Please use 2CarPros anytime we are here to help.
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Thursday, August 24th, 2023 AT 11:00 AM

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