You need 8 assemblies to do all your lights - 4 for the tail lights, 2 for the front turn signals and 2 for the headlights. At Jeg's prices of $8.49, thats $67
Or, you can order them from Waytek Wire. The only catch is they have a minimum per item purchased and a $25 minimum order. So. you have to order a minimum of 12 assemblies which totals $23.10
You should really get their catalog, they have a lot of neat stuff - it's very easy to spend $25 there.
Here is what you need to oder: