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On the solenoid switch there is two wires one for the trigger and what the other one for -i am assuming it goes to the alternator please advise if my assumption is correct

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Posted on Jan 02, 2017

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SOURCE: starter wiring

if you talking about the wires at the starter then the small wire down athe starter will go to the S terminal on the starter ! hope this helps!

Posted on Aug 07, 2009

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SOURCE: wiring was left off my 2000 chev cavalier at the

big one is possitive little one for igniion switch

Posted on Jan 28, 2010

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SOURCE: the wire from my alternator

On the same lug as the battery cable. Other side should be starter cable only.

Posted on May 22, 2011

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1 Answer

2000 chev wont start at key


I think the purple wire (or maybe the yellow) from the neutral safety switch goes to the coil side of the starter relay, turning it on so power is sent from there to the starter solenoid. You could check for this signal to the relay with a test light. The key must be held in start while you probe the other two terminals for the relay. If the signal is there, either a bad relay or the coil side of relay is not grounded properly. It is possible that the coil side ground is the neutral safety switch-grounding the relay's coil side only in park or neutral-in which case the nagging light on shifter (between off and run, it only works?) may be telling you the safety switch is the problem.

You may need to look at a wiring diagram, Greg. But the starter relay is the last component in the start circuit before the starter solenoid. From battery to ignition switch to "crank" fuse to neutral safety switch to starter relay to starter solenoid to starter-and back to battery through ground. That is the start circuit. Just that the wiring tying them all together makes it complicated.

Apr 10, 2014 | 2000 Chevrolet Silverado 2500

1 Answer

1998 malibu starter wiring diagram


the purple wire to starter solenoid S which is switch terminal.the battery positive cable and red fuse link wire to alternator goes to starter solenoid positive terminal.

Jan 11, 2013 | 1998 Chevrolet Malibu

1 Answer

96 pont grand prix has an intermedate starting oroblem. most times it starts fine but couple times a week when ya turn the key it does nothing. has new starter , new alternator, new battery. fuel pump hums...


There can be one problem among several parts on your car and it involves getting the starting signal to your starter.

Working backwards from the starter there is a starter Solenoid and on some GM products it comes with the new starter. On other setups there is a separate box solenoid which has a main cable from the battery going into it and coming out of it going to the starter.

Either setup has a one or two trigger wires that are small guage. These carry the starter signal from the Safety Interlock and Ignition switch. The Safety Interlock can be connected with a foot on the Brake pedal or clutch pedal depending on the trans,

When the Safety interlock connects, it allows the signal from the Ignition switch(Start position) to reach the starter solenoid and engage the starter.

You could have a bad Ignition switch, Safety Interlock, or starter solenoid. It can be a matter of adjustment of worn parts. You have purchased the expensive parts already.

Its a toss up over which to do first. Vehicles all seem to break at the worst time. If you have time to test the power going to the starter solenoid, the trigger wire, then you can eliminate or confirm a bad solenoid. Then you are faced with why you have a dead trigger wire.

It may only be an adjustment problem or the Ignition switch or Interlock.

I hope my solution helps, please rate my info.

Dec 01, 2012 | 1996 Pontiac Grand Prix

2 Answers

When I replaced the starter in 1992 chevy suburban the small wire that goes to the cylenoid is it supposed to have constant power?


If the wire goes to the alternator, then yes. The wire from the starter relay that goes to the "S" terminal of the solenoid should not be hot. There should be a large hot wire from the battery but there may also be a hot wire from the back of the alternator. These 2 would both go on the large post of the solenoid.

Oct 01, 2011 | 1992 Chevrolet Suburban

1 Answer

Need to know how many wires go to starter


STARTER HAS 3 WIRES BIG HEAVY RED CABLE IS THE POSITIVE BATTERY CABLE TO STARTER SOLENOID.THE SMALL RED 10 GAUGE WIRE ON STARTER SOLENOID ASLO IS THE FUSE LINK WIRE TO STARTER AND ALTERNATOR.SMALL 10 PURPLE WIRE GOES TO STARTER SOLENOID S TERMINAL MEANING SWITCH.

Sep 28, 2010 | 1999 Chevrolet Cavalier

1 Answer

How do I mount the harness to the starter?


I assume you have a later model that has the solenoid on the starter. If not, please get back to me.

1. Make sure the negative battery cable is removed from the battery.

2. Big black wire goes to big terminal nearest the starter that also has a short cable going into the starter.

3. Smaller wire (from ignition switch) goes on smaller terminal in the middle.

4. Big red wire goes to big terminal farthest from the starter motor.

If this doesn't make sense, please get back to me.

Sep 20, 2010 | Ford Ranger Cars & Trucks

2 Answers

Everything turns on when key is turned, but engine doesnt turn, starter doesnt click, nothing...just recently replaced starter and alternator and nuetral switch (its a manual)..could it be the solenoid?


If you have verified that the battery has 12volts, and there is power 12V at the trigger wire on the solenoid with the key turned to start, likely the solenoid is bad...I'd question this though because the solenoid comes with the starter and therefore should be new. (defective?) If there's no power there, re-check what you replaced and also ignition switch.

Sep 10, 2009 | 1992 Chevrolet Cavalier

1 Answer

My fuel pump dosen't work all the time and i just replace it.


There are 2 connectors on the alternater. The round one has 3 wires. If there is no voltage on the green wire when the engine is running the alternator is bad. I'm not sure what fails internally but the alternator can put out fine charging voltage on the main black lead and not have voltage on that green wire. That wire is a trigger for the fuel pump relay. Voltage goes to the main power relay then to idiot lights in the dash then back to trigger the fuel pump relay. Along the way it goes in and out of the oil pressure switch(sender at the back bottom of passenger side of block with 2 yellow wires). This switch cuts voltage to fuel pump if no oil pressure. The green wire from alt is a safety in case of collision ect. Engine not running> no alt voltage on that wire>no fuel pump pressure>no fire. If this wire is bad it will not show up on the standard auto store test. And is a common failure. I had an brand new Isuzu rebuilt OEM alternator that was bad like this.

Jan 27, 2009 | 1997 Isuzu Rodeo

1 Answer

1996 izuzu roeo electrical


check alternator:

There are 2 connectors on the alternater. The round one has 3 wires. If there is no voltage on the green wire when the engine is running the alternator is bad. I'm not sure what fails internally but the alternator can put out fine charging voltage on the main black lead and not have voltage on that green wire. That wire is a trigger for the fuel pump relay. Voltage goes to the main power relay then to idiot lights in the dash then back to trigger the fuel pump relay. Along the way it goes in and out of the oil pressure switch(sender at the back bottom of passenger side of block with 2 yellow wires). This switch cuts voltage to fuel pump if no oil pressure. The green wire from alt is a safety in case of collision ect. Engine not running> no alt voltage on that wire>no fuel pump pressure>no fire. If this wire is bad it will not show up on the standard auto store test. And is a common failure. I had an brand new Isuzu rebuilt OEM alternator that was bad like this.

Dec 06, 2008 | 1995 Isuzu Rodeo

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