Question about 1998 Jeep Grand Cherokee

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I need to know which relay switch under the dashboard stops the jeep from cranking

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Its not under the dash. its under the hood and is labeled on the inside top of the cover for the fuse/relay box

Posted on May 08, 2010

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Where is the starter relay located on a 1993 jeep cherokee 2wd.


93 is first good year for all jeeps, lucky you are. YJ jeep.
which engine?
ask for help not parts, jeep.com parts online shows all parts so there is never a need to ask that.
ask why the starter is dead. (well what transmission) auto or stick?

no noise means NO CRANK, no engines un cranked but my M/T
fails hot and cold some times , good input , rare this. here.
and 2wd too boot, very rare this fact. stated.
ok.

when a car does not crank what do we do. (easy to hard just like AAA tow does)
  1. i wiggle key, at start position, crank now.?
  2. i wiggle the shifter, in park, and crank (PRNDL switch issues)
  3. same but move shifter to neutral, (keyon, foot on brake shift to neutral and crank, cranks now? neutral contacts good park bad.
  4. next if all above fails, (all free to do) we next check battery volts. 12.6vdc i good, 11v bad, charge it or get a new one.
  5. I then jumper cable jumper battery off runnning donor car, like AAA does. crank now? yes, battery has issues, common as nails that. No crank now, so.
  6. I then hot wire the starter soleniod. keys in pocket, it does not crank the starter is bad. it cranks now the key line is bad or

A real FSM book, online, and free.
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

click 93 jeep, click wiring. pdf page 64 shows your relay.
see that the fuses need to be good
and the PRNDL switch energizes the starter relay.
the PRNDL ground the relay coil , the coil gets power from the Ign. switch and RELAY pin 29 goes to 12v cranking (11v typ) and the starter cranks.
that is how it all works.
if you have a volt meter all this is super easy, and no guessing needed. ever.
if you buy a new relay and it dont fix it ,you will be back here.

Feb 11, 2015 | 1993 Jeep Cherokee Country

1 Answer

Clutch switch bad


Clutch switch keeps it from cranking.
You can bypass the cluctch switch. Make double sure transmission is in neutral. On many jeeps, under the hood is fuse/relay box. One of the relays is the starter motor. Pull the relay. With a pair of pliers, take a paper clip and short the pins that go to starter. They wire can get hot. If the starter cranks, you might be right (see ignition switch and any interlocks - like clutch switch), if the starter doesn't crank, get a new starter.

Jul 07, 2014 | 2005 Jeep Wrangler

1 Answer

Wont start, and it triggered a relay to go off but i dont know which one, and all the lights and windows still work


If it will not crank over, your starter is likely bad. If it cranks but does not start, check to make sure that the check engine light does come on, on the dashboard, when you first turn the ignition on. If it does not come on, then your jeep ecu is probably in need of repair.
You will have to explain a little better about which problem you're currently having.

Sep 13, 2011 | 1993 Jeep Grand Cherokee

2 Answers

It overheats when in traffic ior when it is idling


I have fixed my own 2002 Jeep Cherokee twice for the overheating issue. Overheating can be caused by a number of different problems, but one of the most notorious problems for the Jeep is the 'radiator fan relay switch'. When the temperature thermostat goes over 210, it tells the relay switch to turn on the radiator fan to cool down the engine. If that relay switch isn't working, the fan never turns on and thus your engine overheats. Here's a simple test to check if this is your overheating problem:
1. Start up your Jeep, open the hood, and let it run to the point where the temperature gauge on your dashboard creeps past 210.
2. Once it goes past 210, go over to the engine and see if the radiator fan kicked on. (the radiator fan is right behind the grill, circular with big plastic blades) If yes, then the relay switch is working. If no, then you probably need to replace the relay switch or the radiator fan motor is bad. But more than likely, it's the notorious relay switch.
3. Turn off the Jeep asap to avoid damaging the engine.

You can purchase a 'radiator fan relay switch' from most Jeep dealerships if they have a service dept. It should be around $75.
(I saved over $700 by not taking my Jeep to an auto shop to fix this) To change out the relay switch, you need to take off the passenger side front headlight. There's a black plastic guard behind the headlight and the relay switch is located under/behind that guard. If your Jeep ever experienced this problem before, you may see a cut-out where someone replaced this part before. If there's no cut-out, you can check out this link to see a picture of where to cut.
http://rigs.corequipment.com/cebby_WJsite/cooling.htm#relay

Once you switch out the part, you should be golden.

Mar 24, 2011 | 2003 Jeep Grand Cherokee

1 Answer

We was going down the road and our jeep shut off and wouldnt crank we changed fuel pump and chaecked our old fuel pump too but it worker and the truck still wont crank it isn't getting any pressure we have...


You say the jeep won't crank-----do you just mean it won't start, but the engine does spin when cranking the starter motor? Have you had the trouble codes read from the ECU? Do you have spark at the plug wires? It could also be the crank sensor on your jeep that's bad.
If your ECU has gone bad, it won't send a signal to the fuel pump relay to turn on, so no fuel pressure. Just a few suggestions.

Feb 09, 2011 | Jeep Cherokee Cars & Trucks

1 Answer

I need to know where my fuel relay switch is on my jeep grand Cherokee its a 1993


There is a fuel pump relay under the hood in the electrical box, passenger side near fender. It doesn't have a fuel relay switch.

Jan 28, 2011 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Wher is the Fan Relay Switch


The fan relay switch is actually located on the electrical fan. There will be a fuse for this under the hood and under the dashboard, drivers side interior in most cases. You can isolate the problem by using some sires to create a connection between the battery and the fan to identify if the problem is before or after the hood fuse, the fan itself or fuse under the dashboard.

Jun 14, 2010 | 1998 Plymouth Voyager

1 Answer

99 jeep cherokee wont start,new battery, lights flash,when you turn ignition switch on nothing happens but lights flash on and off.


I know this is not a caravan but it is a chrysler. Recently on a caravan i ran into the same thing and it was the computer that was stopping the engine from cranking and running. Check with the nearest dealer because some of these computers had warranties extended because of problems. Are you sure the starter is ok. You can pull the starter relay under the hood and jump power from the battery to the relay point of connection after you remove the relay. This will cause the starter to turn over the engine. It still won't run if the computer is the problem but you will know the starter is ok which points more to the computer being bad. If this helps please reply and good luck

Apr 26, 2010 | 1999 Jeep Cherokee 4WD

2 Answers

Jeep won't start until a clicking sound comes from fuse box


The click you hear is the fuel pump relay. It gets its signal to energize from the PCM.If you have a faulty Crankshaft Position Sensor, the PCM will not work. Check for a bad fuel pump relay and also all of the other sensors: Camshaft Position Sensor, MAP Sensor, Idle air Control, Intake Air Sensor,etc.

Mar 21, 2009 | 1995 Jeep Cherokee

1 Answer

WHEN MY JEEP GETS WARM AND I TURN IF OFF IT WONT START BACK UP


When this happens, have someone listen under the car and see if the fuel pump is coming on. Either the pump or relay may be going bad.
An easy check for the relay is to see if there are any non-essential relays with the same # on them (like a fan relay) when your'e having the problem, temporarily switch the two relays. If this helps, then replace the relay. Before condemming the pump, replace the fuel filter (often neglected), and do pressure tests at fuel rail to see what you are dealing with. Note: it does not have to be fuel... A bad coil or crank sensor can do essentially the same stuff so, don't jump to conclusions before making tests!
good luck

Jan 02, 2009 | 1998 Jeep Grand Cherokee

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