If your speaking of ignition points, no. The last year that Chevrolet vehicles had ignition points was 1972.
The computer (ECM).
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Yes
A 1996 Chevy Blazer Does have a transfer case IF it is equipped with 4 wheel drive
What is your 1996 Chevy blazer LS with a blown motor worth?".
yup
Yes
No points after 1974.