I have the Chilton manual and the GM factory assembly manual and find that the Chilton manual is a cut down version of the factory assembly manual. I also have the 3rd book from your links, the Camaro Restoration handbook and found it ok, some good tips here and there but overall hit and miss... i.e you got to one section and realise they've covered it off in very little detail but then another section will give you a great way to resolve and issue you're facing. I reckon the factory assembly manual could be the trick for you? Failing that, you'll want to cut the yellow wire and tie the orange and red together. That always solves any situation.
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