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Can a bad relay switch make your car not start ?

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Posted on Jan 02, 2017

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SOURCE: can you start car if starter relay switch is bad

direct jumper to the starter perhaps .

Posted on Jun 21, 2015

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2 Answers

Car wont start battery good when I turn the key no noise


Sounds a lot like a bad starter. Is not common for the switch to go bad

May 09, 2016 | Cars & Trucks

1 Answer

My ford 2001 v10 f250 does not crank start or click what wrong change starter and solenoids


Might be bad starter relay, or bad ignition switch. Check for voltage to starter when key in start position, or turn on headlamps and try to start. If lamps dim, bad battery connections, bad ground, bad replaced starer. If lamps do not dim, starter position on switch may be bad. You could try using jumper from battery to start post on solenoid to see if it cranks. If it does, you have either a bad ignition switch, start relay, or wiring problem.

Dec 18, 2014 | Ford Cars & Trucks

2 Answers

Why 97 jeep grand cherokee wont start no click ?


Bad ignition switch,
Bad neutral safety switch
Bad starter relay.
Bad starter.

If you understand how relays work, you can remove the relay in the car and jump the switch pins together. If the starter motor turns the engine, you problem is the first 3. If not, its the starter itself.

Jul 02, 2014 | 1997 Jeep Grand Cherokee

1 Answer

Car wants to start itself


which tranny? AUto or stick
?
ill guess, auto.
is foot off brake PEDAL?
yes then the failure is in the starter solinoid, or starter relay bad.
pull tiny wire lug off solenoid, if that fixes it, then the key line is stuck hot. if not, starter is bad. (Solenoid part)

The key switch energizes the relay , pull relay to see if it stops this starter stuck, if yes, its bad or the key switch is stuck.
if it still cranks with relay pulled, then solenoid tiny wire
the starter is TOAST> !

Feb 18, 2014 | 1993 Toyota Corolla

1 Answer

I turn the key all the way to start my 2003 gmc envoy xl and it wont start but I have the relay from under the hood I put it in it starts the car and I take it out its drives but I cant put the relay back...


I would try a new relay. Either the relay is bad, or the start wiring circuit is messed up. Hopefully, it is just a relay stuck on. It could be your ignition switch, too. The single start wire out of the switch should only have power on it when the key is held in start. If it has power when key is in run, or any position other than start, it is a bad ignition switch. Check that if a new relay doesn't help.

Aug 13, 2013 | 2003 GMC Envoy Xl

1 Answer

I have a 95 infiniti j30 and it wont start...battery,cables,terminal..starter/ignition all good...it runs perfect...except 4 1 problem...itll sumtimes not crank..everything works..it just wont...


Hello! intermittent faults are difficult to locate but I'll narrow it down to three possibilities: #1 bad ignition Switch...#2 Bad Starter relay...And #3 bad Shift Range Selector Switch...Lets eliminate...Next time it happens shift into Neutral and see if it starts...If that doesn't make a difference...Switch the Starter Relay with the Defogger relay (they are the same relay) and see if the problem of starting is solved...Location of starter relay...It's located in the fuse box, directly in front of the passenger side strut tower next to the Battery.. You'll see a row of relays that are the same size. (four across). It is the second relay from the left...And Blue in color...Just to its left is the Defogger relay (Blue)...If none of the above move or solve the fault I suggest replacing the ignition switch...See photo below...Guru...saailer


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May 03, 2012 | 1997 Infiniti.5 J30

1 Answer

Won;t crank


Hi, if the car engine fails to crank, there is a fault in one of the components in the battery/ignition/starter circuit. Low battery (Check battery voltage, recharge if low, or jump start with another vehicle or battery charger). Bad starter relay/solenoid (Check for voltage at relay, if relay has voltage but there is no "click" when key is turned to start, replace relay). Bad ignition switch (Check to see if voltage reaches starter relay/solenoid when turn to start. If not, check for open P/N switch and brake or clutch pedal switch. Replace ignition switch if defective).

May 26, 2011 | 1994 Dodge Stealth

1 Answer

I have a 2003 Saturan Ion that won't start


Hi, this is what you should do when your car won't start. Diagnosing a no-start condition requires a logical approach to figuring out what might be preventing your car from starting. First, if the engine won't even crank over when you turn the ignition to START, your car obviously won't start.
When you turn the ignition key to start your car, voltage from the battery flows through the ignition switch to the Park/Neutral safety switch and/or brake pedal or clutch pedal safety switch (you have to push the pedal down before the circuit will complete) to the starter relay or solenoid. When the relay or solenoid is energized by voltage from the ignition switch circuit, it closes a contact that routes more power from the battery directly to the starter to crank the engine. The starter motor spins, pushes the starter drive gear to engage the flywheel and cranks the engine.

If the engine fails to crank, there is a fault in one of the components in the battery/ignition/starter circuit. Check it out.....
  • Low battery (Check battery voltage, recharge if low, or jump start with another vehicle or battery charger).
  • Loose or corroded battery cables (Inspect, clean and tighten BOTH ends of BOTH battery cables).
  • Bad starter relay wiring connections or ground connection (Inspect, clean, tighten wiring connections).
  • Bad starter relay/solenoid (Check for voltage at relay, if relay has voltage but there is no "click" when key is turned to start, replace relay).
  • Bad starter (Jump battery voltage direct to starter to see if it spins, or remove starter and have it bench tested at auto parts store).
  • Damaged starter drive or teeth on flywheel (Remove starter and inspect drive gear and flywheel teeth, replace damaged parts if necessary).
  • Bad ignition switch (Check to see if voltage reaches starter relay/solenoid when turn to start. If not, check for open P/N switch and brake or clutch pedal switch. Replace ignition switch if defective).
  • Open P/N safety switch, or open Brake Pedal Safety Switch (automatic transmission) or open Clutch Pedal Switch (manual transmission). Bypass switch with jumper wire to see if engine cranks, or use test light or voltmeter to check for voltage passing through switch when ignition is turned to start.
  • Engine seized due to bearing failure or internal damage (Use socket and long handle to see if engine can be turned by hand, if not engine is locked up).
  • Engine hydrolocked due to coolant leak from leaky head gasket (Use socket and wrench to see if engine rotates, remove spark plugs and see if coolant comes out or engine can not be cranked with plugs out).

Dec 02, 2010 | 2003 Saturn ION

1 Answer

Blazer tends to not start from time to time but when you switch grey relay switchs they start babck up


Sounds like the relay might be going bad or one of the wires at the back of the relay harness has a bad connection.

Jun 22, 2010 | 2000 Chevrolet Blazer

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