No, if the car alarm was interrupting the starter circuit it would never start, even while jumping it.
Your starter is good, but you are not getting "start" signal. Test voltage output during cranking at ignition switch. If NO 12 volts during cranking, replace ignition switch.
Your starter is good, but you are not getting "start" signal. Test voltage output during cranking at ignition switch. If NO 12 volts during cranking, replace ignition switch.
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