Question about Cars & Trucks
Is power getting to the starter by way of the neutral safety switch ?
Posted on Jul 30, 2013
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Posted on Jan 02, 2017
hi, on most newer than 2000 vehicles, there is a computer cut out to the starter solenoid performed by the security system or theft deterrent system. also the pcm(powertrain control module) or engine computer does have an ignition sense circuit designed to control various functions. perhaps the ignition switch could be causing the problem, bad connection could be the case there. if the theft deterrent system is causing it, the security lamp may or may not illuminate. it maybe stored in the pcm memeory diagnostic codes only. you may want to take to repair shop. .... one more thing to check, if your key has a diode in it(looks like a black chip with a wire through it) check it closely to make sure it is not dirty or wet, or any other contamination of it. the diode is of specific ohms value and if any of the above mentioned things occur to the key, it will lock out the security system. good luck.
Posted on Jun 07, 2010
Ignition switch and neutral safety switch. Next time it happens wiggle thekeys in the ignition switch and try to restart.If it starts its probably the ignition switch. Then locate neutral safety switch on brake pedal and put meter on B+ wire from switch to starter relay and see if you get B+ on the would -be- crank. Next locate B+ wire from starter relay to starter hook a meter to it and see if you get B+ on the would -be crank.
Where ever B+ is missing is your problem.
Posted on Apr 14, 2010
SOURCE: 1990 HONDA ACCORD WON'T TURN OVER TO START BUT IT WILL ROLL START. I HAVE CHANGED THE ALTERNATOR AND TESTED THE IGNITION SWITCH STARTER RELAY SEEMS FINE CLUTCH SWITCH SEEMS FINE MAIN RELAY IS FINE
About the only thing you didn't mention was the starter itself. You could have it tested. But before that, try to see if you have power on the small wire to starter solenoid on the starter, when key is held in cranking position. Pull the small wire off and check for power with a multimeter or a testlight while someone holds the key in crank. This is the signal wire from ignition switch that closes the elec. contacts inside solenoid so the starter gets full power from the battery to spin. (This wire also is in the circuit with the clutch switch and the starter relay.) If you have power on this wire in crank, it is very likely the starter is bad. If there is no power, check that circuit out. It is losing power somewhere from switch to starter solenoid. Good luck.
Posted on Jul 06, 2012
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