Question about Cars & Trucks
Loose or corroded earth connection, faulty starter motor, flat battery.
Posted on May 01, 2017
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Posted on Jan 02, 2017
That wire may be coming from a relay so you may need a service manual to find which one it is.
BTW, to save frying all of your screwdrivers, applying 12 volts for a moment to the terminal with the smaller gauge wire will cause the solenoid to operate as it was designed. Shorting across the main solenoid terminals lets ~ 100-200 amps flow through your screwdriver which isn't even a very good conductor.
Even a light clip lead to the coil terminal of the solenoid could handle the lower current that flows there.
For purposes of doing several different engine tasks, I made up a momentary pushbutton switch contraption housed in a plastic film canister, put 6' wires and heavy clips on it so I could 'jiggle' an engine into the next cycle.
Posted on Oct 12, 2008
SOURCE: renault espace starting problems
I have a 2000 Espace and for years it has suffered from a non-start problem. It can be fine for ages and then, suddenly, there's nothing when you turn the ignition, not even a click. All instruments light up. It's not the battery. Does this sound familiar?
In my case, time and time again it has been what they call the 'firewire' connection on to the starter - the connection becomes corroded over time and fails to pass sufficient voltage.
If the terminal becomes too badly burned, where the voltage has arced because of a poor connection, apparently the only solution is to fit a new starter motor. But so far, in my case, it's just needed a clean of the connector and terminal.
By the way, holding the ignition key in the ON position for some time (30 seconds or more) can sometimes cause it to fire up.
Posted on Mar 18, 2009
There should not be any voltage to the control wire on the starter except with the key in the "Start" position and the transmission shifter in "Park" or "Neutral". By "control wire" I mean the small wire attached to the small terminal on the starter solenoid.
If the large wire connected to the large connector on the starter solenoid is what you are calling the "control wire", then the voltage readings you gave indicate a poor connection of the battey cable.
Posted on Dec 05, 2010
SOURCE: 2001 Mazda MPV, have replaced
Removing either battery cable, thereby taking the battery out of the circuit, with the engine running can cause the alternator to charge full tilt and destroy sensitive micro volt (computer controlled) components; and I've seen wiring harnesses go up in flame from it. You may have a module problem.
Posted on Jun 18, 2011
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