This is a work in progress thread but here is a list of materials (prices may have changed):
Offboard:
-Project box: $3.99 + tax
Project Enclosure (5x2.5x2) : Project Boxes | RadioShack.com
-LED switch: $3.99 + tax
SPST 12VDC/20A Illuminated Toggle Switch with Red LED : Toggle Switches | RadioShack.com
-Power supply: $7.99 + free shipping
12V 5V AC Adapter Power Supply HDD Hard Disk Drive IDE | eBay
-Female Spade connectors: $1.99 + tax
Female Crimp-On Quick-Disconnects (10-Pack) : Disconnects | RadioShack.com
-Wire Loom: $1.99 + tax
Buchanan 3/8 in. Split Flexible Tubing Connector-772240 at The Home Depot
-3ft 14AWG Power Cord Cable w/ 3 Conductor PC Power Connector Socket (C13/5-15P) - Black: $4.04 Shipped
For only $1.64 each when QTY 50+ purchased - 3ft 14AWG Power Cord Cable w/ 3 Conductor PC Power Connector Socket (C13/5-15P) - Black
-PCM blue connector: $10.00 + tax
-Bought at the junk yard
OBD II Connector: $5.00 + tax
-Bought at the junk yard
2 bolts, 4 washers, 2 nuts: $1.40+ tax
