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Re: 92 bonniville will not start
Start with the basics of a combustable engine. There are three things that must be present for an engine to run. Fuel, Fire and Compression. If one of these are missing, it will not run. Yes, there are all types of sensors and sometimes they can be the problem. I once had a oldsmobile that did the exact same thing, and I found out it was the key switch. Check all of these before you go any further
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I believe either your starter solenoid has failed or else the big battery cable connection to the solenoid needs cleaning / tightening, Matt. That loud click would be the solenoid engaging, but it's not passing battery power through to the starter motor.
check the solenoid on the starter sometimes you can take them
apart and clean and grease it and the starter apart and clean the windings make sure the bearings are good if hard to turn replace them etc
Your starter solenoid stuck on. (This may be internal to the starter). You need to replace the solenoid (or starter), then get the battery charged, and try again. If this has a carburetor (rather than fuel injection), you may need to prime it with starter fluid or a little gas in the throat of the carb (put the air filter assembly back on before you try to start it, you don't want to start a fire).
if battery and conectors are very clean and tight,check for bad ground to engine from battery,,also fusable links off of starter or positive small post near fuses, important,,,is the alternator charging ? and have u tried a new battery? voltage should read 13.50 to 14.25 while running 12.5 to 12.65 when not running
Have you checked that you have power to the coil on cranking?You may also want to check wether you have a good strong spark at the spark plug.It could be an ignition module breaking down.If you have no power to the coil you may need to change the ignition relay.Its close to the battery.
Does the engine crank? Do the instrument panel lights dim when you attempt to start it?
If the answer to both of those is no, then you may have the same problem I have had on occasion - the "clutch safety switch" may be stuck and locks out the starter.
If it cranks ok and it has spark, there is a possibility that the fuel injector is "stuck". It happened to me once with my '92. The problem was solved by accident when I used a multimeter to check the voltage across the injector. I watched the voltage drain down to 0 and then I was able to start it and it worked just fine.