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Old 09-02-2013, 09:21 PM   #32
B1600 Maniac
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Join Date: Aug 2013
Location: Fort Mohave, Arizona
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Re: vintage Mazda B-Series pickups from 1972-1984

Quote:
Originally Posted by bryansuncentral View Post
Hi! It's me again! I have a little problem. When I turn the ignition key, the starter turns, but when I release the key the truck dies. I can wiggle the key and it will stay running. I took the ignition cylinder (round white plastic thing with wires) out of the key switch & tried it that way and got the same results. I think the problem is in the plastic part with the wires. Maybe the contacts are too worn inside of it. Has any body had this problem before. Does anyone have an extra one lying around?
The ignition ballast resistor could be bad. In the start circuit it is by-passed to get more voltage to the ignition circuit due to the voltage drop when the starter motor runs. Takes a lot of amperage to run a starter and thus the voltage drop to the ignition (and everything else) when turning the starter motor.
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