Question about 1991 Buick Park Avenue

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Trying to locate the starter relay that connects the engine to the ignition

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  • Master
  • 743 Answers

It will be left of the steering column, above the I/P fuse block.Might have to drop the lower dash panel to get access to it.

Posted on Oct 17, 2009

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Ajkill
  • 2035 Answers

SOURCE: cannot get starter to turn engine over with ignition switch,pulled relay out and ran a hot wire to starter side of relay and starter engaged.

Then check the key switch may be defective or the fuse might have blow out...............

Posted on May 30, 2008

  • 2920 Answers

SOURCE: 1998 cheeroke sport --replaced starter

check the crankshaft sensor....its not the starter relay if its turning over

Posted on Jan 20, 2009

  • 1 Answer

SOURCE: 2001 Ford Explorer Sport wont start

Even though I bought the vehicle new, there was an aftermarket security system installed. The system had a bad diode, so i removed the system and reconnected the factory wires.

Posted on Mar 30, 2009

leehumphreys
  • 38 Answers

SOURCE: 1990 300zx solenoid/starter relay

I would go for the starter motor personally first, as thats the part that cranks the engine over :)

that gets power, then it starts turning the flywheel, the starter motor also keeps the engine running inbetween the engines power strokes while its running.

Go for the starter relay & the starter motor :)

Thanks.

Posted on Apr 10, 2009

  • 1584 Answers

SOURCE: 94 Chrysler Town and Country won't start with key.

has it got an immobiliser / if so there is a fault there. If not an ignition switch itself.

Posted on Apr 07, 2010

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Trouble-shooting your Isuzu starter..


Basic operation of a starter:
Your engine's starter motor is an electrical motor that is used to rotate the engine in order to get it to fire up. This motor draws a large amont of current from the battery (in the order of 70 Amps and up). In order to supply power to the starter a solenoid is used, it acts as a switch between the battery and the starter motor. This solenoid also engages the starter gear with the engine's flywheel and disengages it once the engine is started. Because the circuit for the solenoid also draws a heavy current a further relay is needed to control it.
The diagram below shows the electrical layout of the starting system.
  • i : Battery
  • ii : Starter relay(located in the relay box in the engine compartment)
  • iii : Starter solenoid
  • iv : Starter incorporating solenoid and motor.
  • v : Engine
  • vi : Battery earth cable
  • vii : Engine earth cable
  • viii : Ignition fuse
  • ix : Starter fuse
  • x : Solenoid to starter supply cable
  • xi : Ignition switch
  • xii : Starter motor
When the ignition(xi) is turned it supplies power from the battery through fuse (viii) to the starter relay(ii).
The starter relay activates and supplies power to the starter solenoid(iii) via fuse (ix)
The starter solenoid activates and connects power from the battery to the starter via a short cable(x) between the solenoid and starter motor. This allows the starter motor to turn.

General trouble shooting.
Turn the ignition off.
1/ First you need to check that the fuses are intact.
Keep the ignition off. Place the vehicle in Neutral. Chock the wheels and engage the parking brake.
2/ To prove the starter motor, connect power from the battery positive to the cable (x). This must be done with jumper cables. Touch the jumper cable to the connector on the back of the solenoid where cable (x) connects. Take care not to short circuit the jumper cable to the engine or vehicle body. It can be a tight fit and might not always be possible. If you hear the starter motor spin then it is working along with the engine earth cable. If not, connect the negative lead of the jumper cable between the battery and the starter motor body or any other bare piece of metal on the engine and put the positive lead on cable (x) again. If the starter motor does not spin it needs to come out for repair/replacement. If it spins check both the battery earth cable and engine earth cable and repair where nescasary.
3/ Once the starter motor has been proved move on to the solenoid. Remove the thin wire from the solenoid. Using a small piece of wire, connect battery positive to the connector where you just took off the wire. The solenoid should kick in and the starter motor will turn the engine. If the solenoid does not kick in, remove the starter for repair/replacement of the solenoid. If the solenoid kicks in then replace the starter relay.

If the starting circuit still does not operate the fault will be in the wiring. This needs reasonable expertise and if you dont have a voltmeter handy is not advised.
Bear in mind on automatic transmission vehicles there is an additional switch (Mode switch) wired in between the ignition switch and the starter relay. This switch is on the transmission itself and if faulty will not allow the starter to operate even if steps 1 to 3 were successfull. The same goes for the anti theft/immobiliser system.

fd042ff.jpg
The following is specifically for Isuzu Trooper and Rodeo :
  • i : Battery
  • ii : Starter relay(located in the relay fuse box in the engine compartment designated X-17)
  • iii : Starter solenoid
  • iv : Starter incorporating solenoid and motor.
  • v : Engine
  • vi : Battery earth cable
  • vii : Engine earth cable
  • viii : 10A Starter fuse C-1(Fuse box: LH footwell on LHD vehicle, RH dash on RHD vehicle)
  • x : Solenoid to starter supply cable
  • xi : Ignition switch
  • xii : Starter motor
  • xiii : 80A Main fusible link FL-1(Relay fuse box)
  • xiv : 50 A Key SW fusible link FL-2(relay fuse box)
  • xv : Mode switch(A/T only - mounted on the side of the transmission) and for 6 cylinder manual transmission engines this is the clutch start switch mounted on the clutch pedal.
  • xvi : Anti theft system
  • B2 : B2 on ignition sitch
  • ST : ST on ignition switch
db79612.jpg


How to wire a relay

on Sep 17, 2010 | Isuzu Trooper Cars & Trucks

1 Answer

Where is the solenoid switch located?


Engine side of the master cylinder you'll see a round 4pin connector with a flat top open it and make sure your connections are good

Nov 13, 2012 | 1995 Mercury Grand Marquis

2 Answers

Where is neutral switch located


the neutral switch is located in the left side of the transmission and its connected to the shift cable.

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Feb 13, 2011 | 2003 Ford Explorer Sport Trac

2 Answers

I drove my 1999 accord EX to work & 8 hrs. later I tried to start it and it did nothing. Tried jumping still nothing. Put new battery on and it still did nothing.What is the problem?


Hi, 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.

Ten Reasons why you car won't start..
  1. Low battery (Check battery voltage, recharge if low, or jump start with another vehicle or battery charger).
  2. Loose or corroded battery cables (Inspect, clean and tighten BOTH ends of BOTH battery cables).
  3. Bad starter relay wiring connections or ground connection (Inspect, clean, tighten wiring connections).
  4. 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).
  5. 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).
  6. Damaged starter drive or teeth on flywheel (Remove starter and inspect drive gear and flywheel teeth, replace damaged parts if necessary).
  7. 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).
  8. 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.
  9. 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).
  10. 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).

Hope it helps identify and solve the problem

Jan 16, 2011 | 1999 Honda Accord

1 Answer

My car does not start or turn over. The radio works and so does the fan.


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.

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).

Jul 14, 2010 | 1995 Suzuki Sidekick

2 Answers

Engine will not turn over. lights, horn, everything else works, no clicks, no nothing, but it will not turn over.


You're describing a no rotation issue and not a no start issue correct? If you dont hear/feel the starter relay clicking, it eliminates everything in the circuit to that point meaning the ignition switch, Transmission Range Sensor (TRS) (you don't have a neutral start switch unless you have a rare manual transmission), ground input from the Powertrain Control Module (PCM) to the starter relay coil, and starter relay are good. Based on what you've said that leaves the primary battery cable from the battery to the starter, and the wire from the starter relay to the starter solenoid contact on the starter. Have you checked their continuity? One more voltage to check at contact 30 (input volts from battery to starter relay contacts) on the starter relay socket. Should see 12vdc all the time.

You should check the battery. The true test is a load test. Does jumping the battery using jumper cables make any difference? If it starts, change the battery. I take it to check the starter you jumpered the solenoid contact on the starter to the battery correct? Have you tried wiggling the battery cables as you turn the key? They can corrode and fail internally. Are the engine and chassy ground connections clean and tight?

Jul 14, 2010 | 2004 Dodge Caravan

1 Answer

2002 GMC Envoy, i put the key in ignition and vehicle will not start sometimes and other times is starts fine. we have checked the starter, battery and battery connections, all fine. Changed the starter...


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.

Apr 14, 2010 | 2002 GMC Envoy

3 Answers

Main relay open circuit


you have a blown fuse to the relay or the relay is stuck open locate the engine run relay in engine compartment and try swapping with another relay similar to it. This is one of those that could be anything including a bad ground.

Jan 27, 2010 | 2003 Kia Sedona

3 Answers

Ignition on jeep yj will not start engine. all


Before blaming the starter make sure the battery is fully charged. It should be around 13V.
Starter circuits for the most part operates in the following way. Turning the ignition key supplies power to a relay situated in the engine compartment which in turn activates the solenoid on the starter which powers the starter itself.
Make sure your vehicle is in Neutral(Manual gearbox) or Park(Auto box) Locate the starter motor. On the starter there is another cylinder like object called the solenoid. There is a thick red wire running from the battery connected to this. There is also a much thinner wire which activates the solenoid. To test the starter run a wire from the + on the battery to where the thin wire connects on the solenoid. (ignition must be off) This should activate the starter and turn the engine. If nothing happens the starter is probably at fault. Before removing the starter make sure that the engine is properly earthed as this could also give problems.
If the starter does kick in the problem is further "upstream" Most probable cause would be the relay. If you can locate it, replace since it is relatively cheap.
Starter repair is best left to the experts. Get a quote for a new starter before you have the old one repaired. You'd be surprised at how many times it turns out that replacement costs the same as repair.
Let us know if you've solved the problem.

Dec 09, 2009 | 1994 Jeep Wrangler

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