76 W100 no start, no idea
#1
76 W100 no start, no idea
I've got a '76 W100 318 that will not start. The truck drove a few months ago and then all of a sudden when i hit the ignition button it didn't do anything. The starter refused to turn the flywheel so i replaced that, didn't work so i replaced the starter relay, didn't work so i had the battery tested, all good, full charge.
Brand new starter, relay, battery, ignition coil, distributor, and ballast resistors, but when i try to start the starter simply makes a single "thunk" sound and thats it. Even when i short out the terminals on the starter with a screwdriver it does the same things, "thunk" and no turning. Right now its a very expensive lawn ornament and i don't know much about the electrical systems in older vehicles.
If this questions has been ask/answered in the past then i apologise for double posting.
Brand new starter, relay, battery, ignition coil, distributor, and ballast resistors, but when i try to start the starter simply makes a single "thunk" sound and thats it. Even when i short out the terminals on the starter with a screwdriver it does the same things, "thunk" and no turning. Right now its a very expensive lawn ornament and i don't know much about the electrical systems in older vehicles.
If this questions has been ask/answered in the past then i apologise for double posting.
#2
crazy question, but have you traced aaaaaaaall the wires to make sure they are good and tight? any fuzzy stuff up by the battery terminals? sounds like a loose or corroded connection to me.
#3
I've been trying to trace wires but the previous mechanic seemed to like spending money on electrical tape. There are groups of wires taped together that do not need tape, even a wire i found not connected at either end. The battery terminals are squeaky clean, brand new battery and terminals.The lights and wipers work fine when connected, just the starter not rolling.
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Iowan (08-23-2021)
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