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What does the ignition relay do - 1989 Toyota Camry

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Location of ignition coil relay 1992 gmc g2500 vandura 350


Location of ignition coil relay ??????? Doesn't have a relay for ignition coil . Power for it comes from the ignition switch.

Jul 19, 2017 | GMC Cars & Trucks

1 Answer

2007 Chevrolet Equinox code P1682 we're is the circuit located


DTC P1682: Ignition 1 Switch Circuit 2

Circuit/System Description
There are 2 ignition 1 voltage circuits supplied to the engine control module (ECM). The first ignition 1 voltage circuit is provided by the powertrain relay, through a fuse. This ignition 1 voltage circuit supplies power to all the internal ECM circuits associated with the throttle actuator control (TAC) operation. The ignition main relay provides the second ignition 1 voltage circuit to the ECM, through a fuse. This ignition 1 voltage provides power to other internal ECM circuits, except those associated with TAC operation. The ECM continuously monitors the voltage level difference between the two circuits.

You can find a wiring diagram here http://www.bbbind.com/free_tsb.html Enter your vehicle info. year , make , model engine size . Under system click on Engine ,under subsystem click on fuel controls. Then click on the search button ,then click on the blue link . The first diagram is the one you want . powertrain relay an IGN main relay .

What problem are you having ?
Ignition 1 Voltage (Ignition Main Relay)
B1370, B1380
P1682, B1370, B1380
P0575, P0650

Circuit/System Testing
Ignition ON, observe the Ignition 1 Signal and EC Ignition Relay Feedback scan tool parameters to determine which is less than B+.
Ignition OFF, remove the relay that corresponds to the scan tool parameter that is less than B+.
Important: 6 ohms or greater in the circuit/underhood fuse block will cause the DTC to set.
Ignition On, connect a 3A fused jumper wire between B+ and the applicable ignition 1 circuit terminal. Verify that the applicable scan tool parameter displays B+.
? If the applicable scan tool parameter is less than the specified value, test the ignition 1 circuit for an open/high resistance. If the circuit tests normal, replace the ECM.
If all circuits test normal, test or replace the applicable relay.

Mar 09, 2017 | 2007 Chevrolet Equinox

1 Answer

Why am I not getting fuel to carb? New fuel pump, filter, relay, fuses. Van was running, shut off for a half hour, but will not start. Not getting fuel, replaced relay again, checked fuses again. Jumped...


Are you getting the ignition activated voltage to the relay? If you are, and you can jump across the relay to turn on the pump, I would say your relay is defective. If you know the relay pins for the ignition input and ground, you should be able to test it outside its plug in socket. You should hear it click when +12V and ground are applied to the proper pins/connectors for the ignition voltage. An ohm meter could be put across the supply +12V and fuel pump pins/connectors to really check the operation. If you think your relay is good. I would start checking for a bad +12V connection for your ignition supply, as well as the +12V that is switched through the relay. And the grounds to all. Use some contact cleaner on relay pins and socket. Ignition switch contacts can cause issues too. If it stays broke at least it should be easier to find than something that is intermittent. Based on what you stated, most of your troubleshooting should be at the relay socket (knowing which connectors do what) to isolate the issue to the relay, your ignition voltage, or your fuel pump voltage. After that it is knowing which step to take next.

Mar 02, 2015 | 1988 GMC Safari

1 Answer

No power to ems relay,ignition amplifier,or ignition coil . fully charged battery with 12.66 volts coming out of ignition on relay


Check the power at the relay at right front fuse box if no power check back wire as it runs to the relays beside the radiator.

Mar 24, 2014 | 1994 Jaguar XJ6

1 Answer

92 subaru loyale new distributor and coil still no spark


Had the exact same problem and went through the whole dance. Traced problem to relay under the dash , combination ignition/fuel pump relay. The relay was "clicking" but was internally bad, it would not engage circuit for the ignition. Power was indicated at coil and fuel pump would run but the circuit was not complete through the computer to power the ignition sensor in the distributor. I actually had to "gang" 2- 12 vdc coil automotive relays to replace the original relay. Caution... if you decide to gang 2 relays be sure to separate the two circuits, one relay for ignition, one for fuel pump and tie the coil wires together.

Feb 17, 2014 | 1992 Subaru Loyale

1 Answer

Ignition relay


There isn't an ignition relay for starting the engine. It goes from the ignition switch, which is mounted on the steering column to the clutch start switch, which is on the clutch lever bracket. Then from there is goes to the starter solenoid which is the "relay" in a sense for the starter. And the solenoid is attached to the starter.

Jun 18, 2013 | 1994 GMC Sonoma

1 Answer

Finding ignition relay


Ignition relay .... There are 2 types of ignition. (1) the ignition key (2) the ignition system that delievers spark to the spark plugs. Why do you need ther relay ?? Does the car not crank over ?? Or does the car crank over and don't start ?? I can help .... but I need more info. please.

Mar 03, 2013 | 2000 Ford Taurus

1 Answer

2007 toyota camry pcm ignition relay what does it look like and where is it located


okay the ignition has a few relays, the relay looks like a relay but there is one relay called the # 1 ignition relay located in the inside fuse relay box on the driverside and then a #2 ignition relay located in the engine compartment relay box.

I can tell you that i have never seen these relays cause a problem as long as i have been working on them. what is the problem with the car and what size engine do you have?

I can tell you that toyota had big problems with the computers in the 2007 toyotas and most where in a recall program and were being replaced for free, the problem with these was driving problems also dieing out while driving and then no starts.

Feb 03, 2013 | Cars & Trucks

1 Answer

My 98 jeep grand cherokee wont start. It doesnt even click or turn over. battery is fine, headlights, dome lights, all go on. Radio doesnt work with ignition on. I checked ALL the fuses, I replaced the...


fuse 8 40a supplies power to starter relay and ignition switch, to close the starter solenoid and engage the starter which draws directly from the battery. check to see that the starter relay is closing, if not ensure that the park neutral switch is not faulty (open circuit), it provides path to close relay (ground side) on the 85 - 86 terminals. if the starter relay does not close the starter will not run. if you have a spare relay swap out the relay for a quick fix attempt. hope this helps

Jan 28, 2010 | 1998 Jeep Cherokee

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