Question about 1989 GMC C1500

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STARTER WILL NOT CRANK OR CLICK

INSTALLED NEW STARTER,BATTERY & CABLES....STARTER WILL CRANK W/REMOTE SWITCH CONECTED TO STARTER... I CHECKED THE RED WIRER ON THE SILINOID FOR POWER WITH A TEST LIGHT, WITH SWITCH FULLY ENGAGED AND GOT NO POWER TO LIGHT....HOW CAN I TEST IGN SWITCH.....

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First is the truck automatic? or manual transmission, this information is important to know because the neutral switch on the automatic plays an important place on the starter circuit, and on the manual trans, the clutch switch does the same, also make sure you have not aftermarket alarm on the truck because that will interfer with starter cicuit, and to test the ign switch just test every wire close to the swtch and you suposed to get power at least on one cable while trying to crank it,

Posted on Jun 17, 2008

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Wiring diagram 1999 buick century. Starter engages when battery cables are bolted to battery.


-the wires are not correctly re-installed for the starter.
- u may need wiring diagram
Did you take pictures before you took it apart, or did you tag wires before unconnecting them.

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Where is fusiable link in a 2001 jeep grand cherokee


4.0L or 4.7L engine> the park switches are different.

you pulled a starter with out removing battery neg lug?
is that it?
your post makes it hard to see what the story is.
you replaced starter because car would not CRANK
or
you replaced starter, and shorted out the big cable and boom
and now all things are dead. what?
ill assume car would not crank one day
and you gue$$ a bunch of parts and guessed wrong,
guessing is very expensive.
------------------------------Testing wins--------------------------------------
so no crank 101, posted 100 times. ILL ASSUME it's a A/T tranny.
(im ignoring new parts, i never assume anything works i test it)

  1. check all fuses in all boxes. using a voltmeter. 12vdc both sides key on and battery cables lugs area all clean and tight x4 ends.
  2. you check battery volts its 12.6vdc rested, good.
  3. you crank, and the solenoid just clicks. or only the starter relay only clicks, (more later on that)
  4. you see that battery voltage never drops below 11v and crank time. (11v is typ, tad less if in Alaska, or bad battery or not charged fully)
  5. You then jumper cable crank car, off a running donor car ,just like Mr. AAA tow does.... same to a fault. (google how) (hinting your battery is good, I have a battery load tester so can check)
  6. if this cranks ok, the battery is bad. (happens or is discharged)
  7. car still will not jumper crank.
  8. we next hot wire the starter small wire to big lug. keys in pocket. Called hot wiring a starter solenoid.
  9. engine does not crank, starter bad. or may be battery cables.
  10. engine does crank nice , my keys are in pocket ,see?
  11. ok starter is good, at test 10. so we now know its ok. easy huh>
  12. now we know the key line is bad. 1 wire. end to end. easy.
  13. you try to start in neutral, omg it starts. bad PRNDL switch.
  14. or its bad starter relay.


now we show how it cranks. good starter and battery (& cables)
keyon,
put shifter in to park then neutral and crank.? fails both?

the starter relay must close cranked, if not, bad park switch or bad relay
in this moment (cranking) there must be 12vdc across the 2 relay coil pins.
pin 85 and 86 with volt meter, if 0v, the PRNDL switch is bad.
or on 4.7L the TRS switch.
if the relay closes, then jb fuse f31 is ok and pdc f8 must be good.
and you then turn key to crank. and relay pin 87 goes to 11v to 12v.
this then is a single wire that goes directly to the starter solenoid
tiny wire , it goes to 12v and starter cranks, 11v what you see here
unless in alaska , less. (10v ?)

see red arrow what is voltage there cranking?
we can go fast , if you just do that.

25513501-qtmfudt4eg5vdkejwfy5ompz-5-0.jpg the transmission switch grounds the lower coil,here.
if not the starter will be dead forever.
both fuses must be good, or same.
12vdc arrives at top left fuse, and is hot only cranking.
if the right fuse, glows above the relay can not send power to the starter solenoid.

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Listen closely for a hard "click" sound at the starter motor when turning the key switch for crank. If it clicks, check the contacts of the thick cables at the starter, battery and grounds at the chasis and engine. If it doesn't click, the the problem might come from the key switch or its wiring.

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IF STARTER RELAY BAD THE STARTER WONT MAKE NO NOISE AT ALL HEADLIGHTS WONT DIM.IF YOU CLICKING NOISE BATTERY VOLTAGE TOO LOW. MAKE SURE BATTERY VOLTS ARE 12.6 VOLTS AND USE TEST LIGHT TO SEE IF STARTER GETTING POWER.COULD HAVE BLOWED IGNITION FUSE OR FAULTY IGNITION SWITCH. TO CHECK STARTER SOLENOID FIRST TURN OFF RADIO THEN REMOVE NEGATIVE BATTERY CABLE AND POSITIVE BATTERY CABLE.THEN REMOVE STARTER BUY A REMOTE SWITCH.YOU NEED BATTERY JUMPER CABLES HOOK BATTERY JUMPER CABLES TO BATTERY PUT POSITIVE CABLE ON POSITIVE BATTERY POST THEN PUT NEGATIVE BATTERY CABLE ON NEGATIVE POST. HOOK BATTERY CABLES TO STARTER USE NEGATIVE CABLE GROUND STARTER BODY AND PUT POSITIVE BATTERY CABLE ON THE LARGE POSITIVE POST ON STARTER SOLENOID. NOW TAKE REMOTE SWITCH HOOK RED WIRE TO STARTER SOLENOID POSITIVE POST THEN HOOK BLACK WIRE TO REMOTE SWITCH TO STARTER SOLENOID SWITCH TERMINAL WITH LETTER S THEN PRESS REMOTE IF STARTER SPINS STRONG WITH A GOOD KICK STARTER GOOD.YOUR PROBLEM COULD BE CORRODED WORN BATTERY CABLES. WEAK BATTERY FAULTY IGNITION SWITCH. IF STARTER DONT WORK WHEN YOU PRESS THE REMOTE SWITCH STARTER SOLNOID BAD OR STARTER ITSELF BAD.IF ALL IS GOOD. CODE SCAN CAR FOR THEFT SECURITY FAULT CODE.

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1 Answer

2000 olds drove to work fine this morning this afternoon it would not CRANK, just a load starter/solenoid click. changed starter this afternoon, still same load click, checked battery volts 12.6 , cleaned...


This might noy be of much help, buy I would try a remote starter switch hooked up to the starter,with the ignition switch in the run position..then push the remote start switch.
This would give you an idea if the ignition switch is a part of the problem

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Pls, rate this suggestion, thank you.

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