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1978 Jeep Cherokee Repair Question


Topics covered: Ignition switch, Distributor, Fuse.
Mileage: 40,000 miles.

Asked on September 30, 2012

Car wont shut off not ignition switch or tumbler

I have a 78 cherokee chief and the care wont turn off the dash components stay on and so do the side lights in the back its not the ignition switch or the tumbler switched them both already what else is there
Avatar Asked by matthewmadsen

Answer

Replied on September 30, 2012

Electrical power for controlling the ignition system etc is not turning off and if it is not the ignition switch, it could be a faulty relay or something is shorted to power.

Tiny Answered by KHLow2008 (expert)
40,333 answers provided
Replied on September 30, 2012

HAVE YOU ADDED ANY ACCESSORIES INTO THE EQUATION THAT ARE TIED INTO A HOT WIRE?

THE MEDIC

Tiny Answered by CJ MEDEVAC (expert)
6,884 answers provided
Replied on October 1, 2012

ok what relays could be corisponding with those componets and no new exeseries all my money just went in to switching out the fuel gadeg and sending unit and the ignition switch and the tumblersystem. any tips on trying too pin point a ground power wire. that is the case. or any images that might help me see what circut lay out for it is. thank you for every thing.

Tiny Response from matthewmadsen
1 question asked

Replied on October 1, 2012

I MAY VERY WELL BE YOUR BESTUS BUDDY NOW

SCROLL DOWN A BIT---YOU WILL SEE "ONLINE REPAIR MANUAL"

http://www.jeep4x4center.com/knowledge-base/index.htm

INSTALL "JEEP CHEROKEE AND WAGONEER" IN THE 1ST BLOCK

INSTALL EITHER "1977" OR "1980" IN THE 2ND BLOCK...ONE OF 'EM WILL COVER YOUR YEAR

"ELECTRICAL" MAY BE THE NEXT INSTALLATION

REGARDLESS--EXPLORE AROUND...THIS IS THE BEST MANUAL YOU CAN HAVE---THE PAPER VERSION WOULD BE BETTER (THIS IS SCANNED COPIES AND IS DISTORTED IN PLACES)

IMMA CJ KINDA GUY----CHEROKEE/ J10/ ETC IS MIXED IN WITH THESE MANUALS (THEY PUT THE "YEARS" IN THE FACTORY MANUALS...NOT INDIVIDUAL MODELS)YOU MIGHT EVEN LOOK UNDER 76-86 CJs (MOST LIKELY CLOSE TO YOUR YEAR)

DON'T CONFUSE THE OTHER MODELS WITH YOURS....NORMALLY YOU WILL SEE YOUR MODEL IN THE HEADING OF A SECTION/PARAGRAPH

WELL???

THE MEDIC

Tiny Answered by CJ MEDEVAC (expert)
6,884 answers provided
Replied on October 1, 2012

SEE DIS?

I HAVE REALLY BEEN THINKING HARD....AND DID COME UP WITH A POSSIBILITY!

QUITE A FEW HOURS OF "PIDDLING" ON THE COMPUTER AND A LITTLE LEG WORK

THIS IS FOR A '79 CJ---I SCANNED A TEENY TINY DIAGRAM---COLORED THE WIRES----IF YOU HAVE A PRESTOLITE IGNITION (THIS DIAGRAM IS "MOTORCRAFT IGNITION"----THE MODULE AND DISTRIBUTOR WIRING ARE SLIGHTLY DIFFERENTAS FOR IGNITION SWITCH AND COIL THEY MAY BE CLOSE TO/ OR THE SAME

I BELIEVE YOU HAVE AN ISSUE WITH SOMETHING CROSSED UP AT THE SOLENOID/ COIL/ ON THE WAY TO THE SWITCH

SOMETHING IS MAKING YOUR COIL HOT CONSTANTLY

MY SUSPICIONS NOW ARE THE "I" TERMINAL ON THE SOLENOID IS "HOT" CONSTANTLY DUE TO AN INTERNAL FAILURE IN THE SOLENOID (SHOULD GO DEAD WHEN "S" IS NO LONGER ENERGIZED)....REPLACE IF THIS IS THE CASE

TO VERIFY MY SUSPICION----DISCONNECT "I", AT THE SOLENOID...JUST AS A TEST. THE JEEP WILL PROBABLY STILL CRANK UP AND RUN (MINE WILL)....AND TURN OFF WITH THE KEY....THEN REPLACE THE SOLENOID!

OR YOU HAVE HOOKED SOMETHING UP WRONG!

I BLEW UP AND CONNECTED THE 2 DIAGRAMS--THEN LAMINATED IT

I'M SENDING 3 PICS---LET ME KNOW IF YOU WANT THE ENTIRE COLORED DIAGRAM (2 PIECES)....I WILL INITIATE A WAY FOR YOU TO COVERTLY SEND YOUR EMAIL ADDRESS

IF YOU DID DO SOMETHING STUPID---PLEASE GIVE IT UP---OTHERS READING THIS WILL BENEFIT!

YOUR TURN

THE MEDIC

Tiny Answered by CJ MEDEVAC (expert)
6,884 answers provided