Info Provided by Calvin of the Nivlac57 YouTube Channel

So you want to make a complete wiring harness from scratch. This might help...

Injector Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15326835?qs=eBuH7aKXikchBBhQ5jfCiQ%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191818?qs=xyz6lfZ1ktKcFjA1An%252Bj5g%3D%3D 

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191819?qs=xyz6lfZ1ktK4Hrpvm%252B829A%3D%3D 

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191152?qs=zwjBRyWYJxVI%252Blfu5hHa4g%3D%3D 

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191153?qs=zwjBRyWYJxXZf2qvUxs9cA%3D%3D

Ignition Coil Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15336121?qs=CjUIBtwrELIQ9Gm5eSV8ng%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15326266?qs=0QEfxlTaxas9GCJQ%252BmVyBg%3D%3D 

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305350?qs=Q7pgHIyY6hsG7dRuK5MW%252BQ%3D%3D 

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15366022?qs=eBuH7aKXikdf1DhQ2p27KQ%3D%3D 

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305351?qs=xyz6lfZ1ktJMcBhYlPZ%252Bfg%3D%3D 

Camshaft Position Sensor Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15336121?qs=CjUIBtwrELIQ9Gm5eSV8ng%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15326266?qs=0QEfxlTaxas9GCJQ%252BmVyBg%3D%3D 

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305350?qs=Q7pgHIyY6hsG7dRuK5MW%252BQ%3D%3D  

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15366022?qs=eBuH7aKXikdf1DhQ2p27KQ%3D%3D  

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305351?qs=xyz6lfZ1ktJMcBhYlPZ%252Bfg%3D%3D  

Crankshaft Position Sensor Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/13511996?qs=xyz6lfZ1ktLXsaamekEJYw%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191818?qs=xyz6lfZ1ktKcFjA1An%252Bj5g%3D%3D  

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191819?qs=xyz6lfZ1ktK4Hrpvm%252B829A%3D%3D   

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191152?qs=zwjBRyWYJxVI%252Blfu5hHa4g%3D%3D   

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191153?qs=zwjBRyWYJxXZf2qvUxs9cA%3D%3D  

Coolant Temperature Sensor Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/13510085?qs=xyz6lfZ1ktIDYMKnGUxNNA%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191818?qs=xyz6lfZ1ktKcFjA1An%252Bj5g%3D%3D 

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191819?qs=xyz6lfZ1ktK4Hrpvm%252B829A%3D%3D  

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191152?qs=zwjBRyWYJxVI%252Blfu5hHa4g%3D%3D  

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191153?qs=zwjBRyWYJxXZf2qvUxs9cA%3D%3D 

VVT Solenoid Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/13510085?qs=xyz6lfZ1ktIDYMKnGUxNNA%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191818?qs=xyz6lfZ1ktKcFjA1An%252Bj5g%3D%3D  

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191819?qs=xyz6lfZ1ktK4Hrpvm%252B829A%3D%3D  

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191152?qs=zwjBRyWYJxVI%252Blfu5hHa4g%3D%3D  

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191153?qs=zwjBRyWYJxXZf2qvUxs9cA%3D%3D 

Alternator Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12191366?qs=EuSGJ%252B0eAhBIvlwIn6V1EQ%3D%3D&countrycode=US&currencycode=USD

Pin Retainer: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12047948?qs=xyz6lfZ1ktLlTZs%2Fys5K1Q%3D%3D 

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12048074?qs=xyz6lfZ1ktJ3WsdXzPXbPw%3D%3D

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12084200?qs=xyz6lfZ1ktJVwNvNKsYTfA%3D%3D 

2.85-2.03 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12048086?qs=xyz6lfZ1ktIYh529KsWJ3w%3D%3D 

2.15-1.60 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12089678?qs=xyz6lfZ1ktJcWxGWInihNg%3D%3D 

1.70-1.29 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12048087?qs=xyz6lfZ1ktLaKKOZaJmKTQ%3D%3D 

1.009-0.995 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12084193?qs=ZdnzO96k7jrF4BxdwXq6Dw%3D%3D 

LS IAC Valve Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12162190?qs=JdmRl75CwTp2gnP3GS5klQ%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12124076-L?qs=DlE0rdXB%2FL1nYUJUP%2FlN3Q%3D%3D 

18-16AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12124075-L?qs=DlE0rdXB%2FL2j1NLgMOsvsg%3D%3D 

LS TPS Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15477863?qs=xyz6lfZ1ktKF6aVQfcEJtA%3D%3D&countrycode=US&currencycode=USD

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15326266?qs=0QEfxlTaxas9GCJQ%252BmVyBg%3D%3D   

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305350?qs=Q7pgHIyY6hsG7dRuK5MW%252BQ%3D%3D   

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15366022?qs=eBuH7aKXikdf1DhQ2p27KQ%3D%3D   

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305351?qs=xyz6lfZ1ktJMcBhYlPZ%252Bfg%3D%3D   

Standard GM IAT Sensor Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/13520104?qs=U7UNB6YrIDNZ90xqoX4shg%3D%3D

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15326266?qs=0QEfxlTaxas9GCJQ%252BmVyBg%3D%3D  

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305350?qs=Q7pgHIyY6hsG7dRuK5MW%252BQ%3D%3D  

1.20-1.85 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15366022?qs=eBuH7aKXikdf1DhQ2p27KQ%3D%3D  

1.86-2.25 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15305351?qs=xyz6lfZ1ktJMcBhYlPZ%252Bfg%3D%3D  

Standard GM MAP Sensor Plug

Connector: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12059595?qs=xyz6lfZ1ktLFu1LdH%252B1NkQ%3D%3D

Pin Retainer: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12052845?qs=xyz6lfZ1ktIroM5KljafsA%3D%3D 

20-22AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12048074?qs=xyz6lfZ1ktJ3WsdXzPXbPw%3D%3D 

17-18AWG Pins: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12084200?qs=xyz6lfZ1ktJVwNvNKsYTfA%3D%3D  

2.85-2.03 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12048086?qs=xyz6lfZ1ktIYh529KsWJ3w%3D%3D  

2.15-1.60 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12089678?qs=xyz6lfZ1ktJcWxGWInihNg%3D%3D  

1.70-1.29 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12048087?qs=xyz6lfZ1ktLaKKOZaJmKTQ%3D%3D  

1.009-0.995 Seals: https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/12084193?qs=ZdnzO96k7jrF4BxdwXq6Dw%3D%3D  

Ford 2 Wire IAC

Pigtail: https://lmr.com/item/LRS-9715PT/mustang-iac-pigtail-86-93