Swapping MegaSquirt on the Supra MK4 & Major Wiring Fixes! 🔧🔥

Описание: Welcome back to Episode 4 of "Will this track car EVER be track-ready?" 🚗💨

What started as a simple project turned into a deep-dive electrical nightmare. When we bought this car, we thought it was track-ready-turns out, it was more like track-maybe-one-day. 😅

This episode I am doing a full-on ECU surgery. The MegaSquirt had to go, so I picked up a ProEFI system, hoping to finally get this thing running right. But before we could even install it, we found a mess of damaged wiring, bad grounds, and some seriously sketchy previous-owner repairs.

💡 Here's what went down:
🔹 MegaSquirt OUT, ProEFI IN – will it finally work?
🔹 Hunting down bad grounds & missing ECU power
🔹 Rewiring fuel pump circuits & adding sensors
🔹 Learning how NOT to do wiring the hard way 😅
🔹 The pain of cramming an entire harness through a tiny firewall hole 🙃
🔹 First power-up test – moment of truth!

If you've ever dealt with wiring nightmares, swapped an ECU, or just love watching people struggle through car projects, this is the video for you!

🛠️ Got experience with ProEFI or another standalone ECU? Drop a comment! What system do you swear by? Help a newbie out!

👊 Like, Comment, & Subscribe if you enjoy watching me figure this out the hard way! 😂

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🔗 Watch Episode 3 here:    • 🚗 Fixing Bad Coil Pack Connectors + First-...  

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