SOURCE: 1993 JEEP GRAND CHEROKEE LAREDO- TRUCK WONT
OK...I have a 93 outside...one diagram I have shows an ignition module next to coil...but there is none on mine, (4.0 engine)
Two items to check are crank sensor and cam sensor inside distributor. Test procedure can be found in just about any manual including haynes.
You will need a decent volt/ohm meter to do testing. You can also check codes by turning ignition switch on/off three times, leaving it on the third time. Check engine will flash code #'s (ex: one flash, pause two flashes= the number twelve.then followed by a longer pause then another set of flashes etc.)
SOURCE: windows and lock wont operate on a 2004 Jeep Grand Cherokee
I just had the same with mine, pull the rubber boot back on the drivers side front door and look for a severed wire, mine was black...simply spliced the wires back together and problem solved!
SOURCE: 2000 4.7L Jeep Grand Cherokee fan relay switch replacement
Go to this page:
http://rigs.corequipment.com/cebby_WJsite/cooling.htm#relay
SOURCE: where to replace coolant temp sensor for 1998 grand jeep cherokee
Check this image...
...in the Section ZJ-Secc-8D-Ignition-Systems (page 5, fig. 10 and 11).
Good luck.
SOURCE: 1998 Jeep Grand Cherokee Laredo 4.oL I got a code po113
Trouble Code: P0113 (4.0L L6 VIN S Auto)
IAT Sensor Circuit High Input
Print this code data
Number of Trips to Set Code: 1
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Check with ignition on or engine running; battery voltage more than 10v; The PCM detected the IAT Sensor input was over 4.90v (exc. Dakota, Durango, Ram) or 4.98v (Dakota, Durango, Ram) for 3 seconds.
Possible Causes:
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