These manuals (or copies) are available on eBay most all the time.
The wiring diagram for your 1966 Pontiac Tempest can be obtained from most General Motors dealerships. A service manual with the wiring diagram can be found at most local libraries.
Here are the 66 wiring diagrams: http://www.hammar.dyndns.org/wiring/wiring1966.htm
Go to a parts house and purchase a Haynes Repair manual for your car. It will have the wiring diagram in it.
diagram colors to conest ignition switch
chiltons repair manual at the library for 66 chevy's.
you don't
1966 GTO
Ebay, got one for my 66. The guy has them all in nice blown up colorized form. forgot his nam but it's like wirediagrams or something . Type in 64 cadillac wiring diagram. Otherwise try hemmings.com
I just bought a color 1966 impala wiring schematic on eBay that covers bumper to bumper. Read their full add in case u have extra options that the basic diagram may not cover. I am about to finish rewiring a whole 66 myself. Good luck, Oldskool Art Customs. 818 414 1968
If you can not find it online, by looking up 66 chevelle wiring diagram, then buy a chilton book for 64-75 chevelles, I have a 1964, and just finished a 1968 nut and bolt body orr restoration, and without the chilton manual, i would of been lost, with some things, you can get the manual at most automotive stores, walmart, ect.
try to get a chiltons repair manual at the library for 66 chevy's or check with your local chevy dealer to see if they have any info on it.
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