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Test starter relay - F-350 Ford Cars & Trucks

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1998 Sable will start and drive then after shutting it of won't start not even try to turn over for hours maybe a day then will start right up


When it won't start testing the electrical systems is the proper way to find a fix . Using a DVOM - digital volt ohm meter and power flow diagrams . Using voltage drop testing !
How to voltage drop test starter motor circuit
How to test starter engine doesn crank GM 3800 engine
Electric Testing Techniques You Need to Know
Do you know what a wiring diagram is ? Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model an engine size . Click on engine under system then under subsystem click on starting .Then click on the search button , then on the blue link . This is a wiring diagram of the starter electrical circuit. Do you know what ignition switch is ? the electrical part. , how about the starter relay , transmission range sensor ! There is one thing you can try , move gear selector to neutral an see if it starts then . If that does nothing ,check for B+ voltage going at the starter relay . Jumping pins 30 & 87 at the relay socket , where the relay plugs into . will cause the starter to engage an spin the engine . If you look on the bottom of the relay you will see four sets of numbers 30 & 87 - 30 should have B+ voltage , 87 goes to the S terminal on the starter solenoid . An 85 & 86 are the control side .86 at the relay socket comes from ignition switch through the trans range sensor to the starter relay coil ( electro magnet ) . Watch these videos too .
VEHICLE RELAYS Testing from the relay base

VEHICLE RELAYS Operation Diagnosis




Apr 29, 2017 | 1998 Mercury Sable

1 Answer

My 2007 f150 will not crank over I hear the relay click but there seems to be no power going to the solenoid. I replaced the relay and it started about 30 times now same prob any advice


What relay did you replace ? Starter relay ? Removing the relay you may have changed connector position in the fuse / relay box where the relay plugs into . Wiggle the relay see if that does anything . At the relay base jump pin's 30 & 87 with jumper wire , it should crank the engine over . If you look on the bottom of the relay you will see 4 set's of numbers 30 & 87 are load side of the relay . If you were to test with a voltmeter ,pin 30 would have Battery voltage ,Pin 87 goes to the S terminal on the starter solenoid . Pins 85 & 86 are the control side .When you turn the key to start B+ voltage goes through the run / start diode ,located in the AUX relay box 1 through the digital transmission range sensor to pin 86 of the starter relay ,pin 85 goes to the PCM .Where the PCM supply's a ground energizing the starter relay closing the contacts inside sending B+ voltage to the starter solenoid S terminal . Do you have a automatic trans or manuel ? Move gear selector to neutral , check out wiring diagram here http://www.bbbind.com/free_tsb.html Watch videos on youtube for basic electrical testing , voltage drop testing etc.... How to test a relay . Test the circuit ! How to voltage drop test starter motor circuit

Jan 21, 2017 | 2007 Ford F-150

1 Answer

06 kia sportage 2.7 will not turn over. ..starter tested good, new neutral safety switch, please help


You need to test the electrical circuit , starter relay in the engine compartment . Is there B+ voltage at the smaller gage wire on the starter solenoid when cranking ( or trying to crank the engine ) ? Videos on you tube , testing from relay base ( where the relay plugs into ) Find the start relay in the fuse / relay box an pull it out . Look on the bottom of the relay , you should see four sets of numbers ! 30 , 87 an 85 , 86 . > 30 an 87 are the power side of the relay . 30 should have B+ voltage ,if not ignition #2 30amp fuse is blown . If there is B+ voltage you can take a jumper wirer ,an jump 30 to 87 > 87 goes to the starter solenoid . Jumping 30 to 87 will engage the starter .Checking for B+ voltage at pin 85 while trying to crank the engine, if there is b+ voltage you know the ignition switch is good an so is the transaxle range switch (neutral safety switch ) ! Does yours have a burglar alarm ? If so then there is an other part burglar alarm relay ! By testing at the relay you can tell which part of the circuit is bad ! Plus testing the heavier battery positive cable also needs to be done . Voltage drop testing the cables Starter Voltage Drop VEHICLE RELAYS Operation Diagnosis VEHICLE RELAYS Testing from the relay base This would cost you $86.00 to have this diagnosed at most auto repair shops. 1 hr .


Jul 29, 2016 | Kia Cars & Trucks

1 Answer

Starter sluggish the battery and alternator work fine 2004 Aztec and there are no loose wires yet it hesitates one time and then the next its fine


Do a voltage drop test on starter , cables ! Check the starter relay ,PCM energizes the starter relay . Check power an the control circuit of starter relay . Videos on you tube on doing these checks . Starter Voltage Drop VEHICLE RELAYS Testing from the relay base

Jul 16, 2016 | 2004 Pontiac Aztek

2 Answers

How do I check the starter relay?


How to Test a Relay the Correct Way - YouTube

? 6:54
https://www.youtube.com/watch?v=ire7vyDqelg
Feb 10, 2013 - Uploaded by RatchetsAnd Wrenches
Here is how you test a car relay the correct way. Really the one and only way it should be tested. If this video .

How To Test A Car Starter Solenoid - Real Easy !! - YouTube

? 4:51
https://www.youtube.com/watch?v=psqxVvU5Hig
Jan 24, 2013 - Uploaded by klowny1969
How to check a ford type starter solenoid relay DIY troubleshooting car no crank automotive repair easy step ...

Nov 26, 2015 | 2008 Saturn Aura

1 Answer

Where is the starter relay for 1998 oldsmoblie


Most starter relays are part of the starter motor assembly.
Also known as the solenoid.
(This way it serves 3 purposes.
1. The Relay section uses solid copper Contacts for Less volt drop at the high current that a starter motor draws.
2. The Solenoid section is the Mechanical Plunger that engages the cog to flywheel.
3. The Motor spins because the copper contacts are a super connection supplying 100+ Amps)

Does the battery go direct to the Starter Mptor?
Is there a small wire next to where the Battery connects?
If so then this is the relay activation wire (12v to pull relay in)

Happy Starting

External Relay Basics
Same but bigger for Starter Motors
RELAY BASICS

Starter Solenoid - A Gutsy Relay
Testing and replacing pre engaged starter motor solenoid
How To Test Car Starter With Screwdriver And Jumper Cables

Oct 03, 2014 | 1998 Oldsmobile Intrigue

1 Answer

Oldsmoblie intrigue where is the starter relay at


Most starter relays are part of the starter motor assembly.
Also known as the solenoid.
(This way it serves 3 purposes.
1. The Relay section uses solid copper Contacts for Less volt drop at the high current that a starter motor draws.
2. The Solenoid section is the Mechanical Plunger that engages the cog to flywheel.
3. The Motor spins because the copper contacts are a super connection supplying 100+ Amps)

Does the battery go direct to the Starter Mptor?
Is there a small wire next to where the Battery connects?
If so then this is the relay activation wire (12v to pull relay in)

Happy Starting

External Relay Basics
Same but bigger for Starter Motors
RELAY BASICS

Starter Solenoid - A Gutsy Relay
Testing and replacing pre engaged starter motor solenoid
How To Test Car Starter With Screwdriver And Jumper Cables

Oct 03, 2014 | 1998 Oldsmobile Intrigue

1 Answer

Car just clicks when i try to star it


Battery cable connections ? Battery , Starter ? Do a starter system voltage drop test ! Starter Voltage Drop Also do a pin point test at the starter relay ! VEHICLE RELAYS Operation Diagnosis VEHICLE RELAYS Testing from the relay base


Sep 29, 2014 | 2005 Ford Freestyle

1 Answer

Where would i find the relay for the starter because the box that is clicking is on the passenger side that box has only 3 big fuses in it could the relay be there? we did have the starter checked so we...


There are several things to consider here.

First, if you took the starter off of the vehicle and had it "bench tested" this is NOT a good test of the starter. Just because the starter spins during a bench test, DOES NOT mean that it will have enough power to turn the engine over. The proper way to test the starter is with the starter installed in the vehicle and perform a starter draw test while it is cranking the engine. If it will not crank the engine - IT CANNOT BE PROPERLY TESTED! In this case, you must diagnose the REST of the starting system to determine if the starter is at fault. - So to put it simply, NO - you DO NOT know for a fact that the starter is good.

Then we have a problem with whatever relay you are looking for. Depending on how your vehicle is equipped, there is an "Inhibitor Relay" a "clutch Interlock Relay" and a "Theft Warning Relay" any of which can stop your starter from working. If your vehicle is equipped with an automatic transmission, the clutch interlock relay does not apply.

The proper way to check all of this is to check for battery voltage at the small BLACK/WHITE wire at the starter motor when you turn the ignition switch to the START position. If battery voltage is present, then all of the relays are working.

You also need to THOROUGHLY test the battery and perform voltage drop tests on your battery cables to determine if the problem is being caused by a shorted battery cell or a bad battery cable conection.

Please also review this article: What Else Could Be Wrong?

Nov 01, 2011 | 1995 Nissan 200SX

1 Answer

Had new starter motor fitted, but stll have to push to start.


Hello, You need to check the Starter Relay. The Starter Relay connects the Battery to the Starter when you turn the Key to Start. There are 1 or 2 small wires that connect on the Starter Relay.

The idea is the Key sends power to the small wire to make the Starter Relay work. You need to test the Starter Relay. Have your car in Neutral and out of gear. You can use a jumper cable and bypass the Starter Relay by connecting one end of the Single jumper cable to the terminal connector from the Battery where it mounts on the Starter Relay. The other end will be live, hot, and full of power so watch where you lay it.

Then there will be sparks when you touch the end of the jumper cable to the mounting connector coming from the Starter where it bolts onto the Starter Relay. The Starter should crank. This will mean the new Starter is good. You can use any metal tool to bypass the Starter Relay if you do not have a jumper cable. Be Careful, the tool can melt and burn you.

One final test is needed. The small wires I mentioned earlier are important to making the Starter Relay work. You need to see if the small wire is getting power when the Ignition Key is turned to Start. You need a test light or Voltmeter to show if the small wire is providing power. If the small wire is providing power, then you need to replace the Starter Relay and you are good to go.

If you are not getting power through the small wire, then you must trace down the problem. There is a Safety switch on the clutch linkage or Brake linkage which must be pressed before it lets the Starter work. This is called an Interlock switch. There can also be a safety switch in the shift linkage which must be in Neutral before allowing the Starter to work. These get power from the Ignition switch which may also be bad.

You most likely fixed the problem just by replacing the Starter Relay. If you do not want to test, just buy a Starter Relay. I gave you extra information for bad switches and how to pinpoint the problem and this time you might not need to know this stuff.

I hope my solution is very helpful to you.

Jan 22, 2011 | Ford Fiesta Cars & Trucks

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