The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 68 C10 Yellow wire from firewall to starter/coil.

**dmjlambert** · 10-19-2019, 05:25 PM

That looks like a piggy back connector, it allows you to plug in a device and you will still have an available place to plug in something else. It is a convenience.

10-19-2019, 05:25 PM	#64
dmjlambert Senior Member Join Date: Apr 2016 Location: Cypress, TX Posts: 3,562	Re: 68 C10 Yellow wire from firewall to starter/coil. That looks like a piggy back connector, it allows you to plug in a device and you will still have an available place to plug in something else. It is a convenience.