1992 buick roadmaster wont start
How's the battery? Measure the voltage or take it to your local auto parts store for a check. Should be 12.3 or above.
Wirebrush the corrosion at the other end of the 1/0 black battery cable as it attaches to the fender/chassis/ground and the connection to the motor block after you put the battery in as Tom Deyman suggests~
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