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post #1 of 51 Old 08-16-2019, 02:41 PM Thread Starter
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green connector

Hi guys,

long time no see.
i am paul from the netherlands with a lebaron issue.
recently i swapped the wiringharness from my 3.0, but the starter won't crank. i had a mecanic looking and he hot wired the starter relay. after that the car started. later it would not start again.
it seems the yellow wire from the start relais makes no connection. i followed the wire inside the car to a green connector under the dash near the main connector and it's is not connected to anything.
does someone knows where that green connector had to connected to?

or does anyone knows if there is a difference between 1990 and 1991 wiringharnes?

thanks a lot
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post #2 of 51 Old 08-17-2019, 08:51 AM
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Re: green connector

Starter circuit wiring is the same for 90-93 AG/AJ body.

The yellow wire to the starter relay comes from the ignition switch.

There will only be power present on the YL wire at the stater relay when the key is in the "Start" position.

The ignition switch on a 90/91 Lebaron is located at the top of the steering column behind the key cylinder.

Your problem may be the same problem I just experienced and assumed was the ignition switch until I removed the switch assembly and saw the real problem.

The tabs on the backside of the key cylinder that engage with the ignition switch break and when you turn the key only the cylinder is moving, not the switch.

Remove the key cylinder/switch assembly from the car, remove the key cylinder from the switch and take a look.

There is a special procedure for removing/installing the key cylinder.

green connector-electrical-ignition-switch-ag-aj-1.jpg

green connector-electrical-ignition-switch-ag-aj-2.jpg

green connector-electrical-ignition-switch-ag-aj-3.jpg

green connector-download.jpg

https://www.autozone.com/interior/ig.../12478_0_18928

I will not be back home until Monday if you have any problems or questions.

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post #3 of 51 Old 08-17-2019, 03:18 PM Thread Starter
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Re: green connector

Quote:
Originally Posted by NAJ View Post
Starter circuit wiring is the same for 90-93 AG/AJ body.

The yellow wire to the starter relay comes from the ignition switch.

There will only be power present on the YL wire at the stater relay when the key is in the "Start" position.

The ignition switch on a 90/91 Lebaron is located at the top of the steering column behind the key cylinder.

Your problem may be the same problem I just experienced and assumed was the ignition switch until I removed the switch assembly and saw the real problem.

The tabs on the backside of the key cylinder that engage with the ignition switch break and when you turn the key only the cylinder is moving, not the switch.

Remove the key cylinder/switch assembly from the car, remove the key cylinder from the switch and take a look.

There is a special procedure for removing/installing the key cylinder.

Attachment 255097

Attachment 255099

Attachment 255101

Attachment 255103

https://www.autozone.com/interior/ig.../12478_0_18928

I will not be back home until Monday if you have any problems or questions.
Hi NAJ,

thank you very much!!
i realize now you really help me a few years ago with alkind off issues.
i believe this is the solution, beceaus the ignitionswitch was loos today.

regards,

paul
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post #4 of 51 Old 08-18-2019, 04:46 AM Thread Starter
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Re: green connector

Hi Naj,

i changed the ignitionlock, but the car won't crank.
i noticed that while turning the key to start the handbrakelight lights up.
is that normal or coould there be a defect switch, if you know offcourse.

greetings
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post #5 of 51 Old 08-19-2019, 09:44 AM
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Re: green connector

1)Was the old key cylinder broken?
2)Did you replace just the key cylinder or both the key cylinder and ignition switch?
3)Did you follow the instructions for properly installing the new key cylinder into the ignition switch?
If the key cylinder does not snap in completely/fully to the switch it will not turn the switch when you turn the key.
I had a really hard time getting mine to go in fully/completely so I had my Son do it, sometimes all you need is another set of eyes/hands so you do not get frustrated.

If/When you are absolutely certain that the switch is turning with the key cylinder to the correct positions post back and if it is still not cranking we will go from there.

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post #6 of 51 Old 08-20-2019, 02:12 AM Thread Starter
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Re: green connector

well, i changed the lock and switch from a running car but still no cranking
is it possible there is a somehow a swich orso that prevend starting the car, like for an alarmsytem?
did i mancient that the handbrakelight on the dash is going on turning the key in runposition? in startposition it's not lightning.
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post #7 of 51 Old 08-20-2019, 09:15 AM
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Re: green connector

Be sure the switch is installed correctly, see the FSM pages in post #2 for proper switch installation.
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post #8 of 51 Old 08-22-2019, 02:01 AM Thread Starter
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Re: green connector

yes, i installed correctly according FSM pages, but no cranking still
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post #9 of 51 Old 08-22-2019, 08:49 AM
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Re: green connector

Just to clarify...
1)What year is the car, 90 or 91?
90 uses Fusible Links, 91 uses a PDC.

Now,lets find out whats missing...

At the starter relay check for power and ground.

1)Red (RD) Constant Battery Power (Black on 90)
2)Yellow (YL) Switched Ignition Power Power will only be present with the key in the "start" position.
3)Brown/Light Blue (BN/LB) Ground Bolted to the Transaxle on a Manual Trans, through the Neutral Safety Switch On an Auto Trans.
4)Brown (BN) Power Output to the Starter Power will only be present with the key in the "start" position providing all other power/ground circuits are correct.

5)Using a 12 volt test light or digital voltmeter verify 12 volts are present on the RD and YL wires.
6)Using an Ohmmeter verify continuity to ground on the BN/LB wire
7)If both 6 and 7 check OK then verify power out on the BN wire with the key in the "start" position.

Whats missing?
1)Power on RD Wire?
2)Power on YL Wire?
3)Continuity to ground on the BN/LB wire?
4)Power output on the BN wire? (assuming 1,2,3 are all OK)

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post #10 of 51 Old 08-23-2019, 02:09 AM Thread Starter
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Re: green connector

the car is from june 1990, the wiringharness is from juni 1991, the engine is from 1993.
i checked for inline fuses, where not present, except one. checked and is oke.
there is continously power on the starter relay;s black wire ('91 wiringharness??)
there is 12volt on the pink wire off the ignition switch. key in acc or start position
there is NO power on red or yellow wiring. key in acc or start position.
ground is oke.

question:
what is PDC in the harness?
should i replace the old wiring again and start from there?
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post #11 of 51 Old 08-23-2019, 09:22 AM
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Re: green connector

You need to check for power at the YL wire with the key in the START position NOT THE "ON" position.
If you do not have power on the YL wire at the starter relay with the key in the "Start" position then you need to check directly at the ignition switch connector.

If you have constant battery power on the BK wire at the starter relay you do not have an issue with Fuses or Fusible Links.

Fusible Links have been used for years, they are all located in the wiring harness coming off the battery + cable.
1990 still used Fusible Links which are a wire placed in the harness and is designed to melt should amperage increase beyond its amperage rating thus protecting the circuit.
The insulation on a fusible link is fireproof so the wire inside melts protecting the circuit with no chance of a fire.

In 1991 Chrysler went to a PDC (Power Distribution Center) on Daytona and LeBaron which replaced all of the Fusible Links with actual Fuses.

I looked at the 1990 Wiring Diagrams Manual and the YL wire does run through a connector before heading out underhood, the connector color is not shown.
It appears to be an 8 pin connector located on a "Pencil Brace at the Left Lower Steering Column.

Besides the factory wiring posted below I am sending you other wiring through PM.

Explaining Fusible Links
Electrical Issues - MiniMopar Resources

1990 AJ 3.0L FSM Ignition Switch/Starter Relay Wiring
green connector-img_0001_new.jpg

green connector-img_new.jpg

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post #12 of 51 Old 08-28-2019, 01:45 AM Thread Starter
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Re: green connector

i replaced the ignition connector.
i have constantly power on the red and pink wire, both in on or off position
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post #13 of 51 Old 08-29-2019, 08:48 AM
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Re: green connector

Quote:
Originally Posted by laurp View Post
i replaced the ignition connector.
i have constantly power on the red and pink wire, both in on or off position
And that is correct since both the RD and PK wires are constant battery power.

You need to check for power on the YL wire with the key in the "Start" position.
There are 4 key positions...

Key Positions
green connector-images.jpg
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post #14 of 51 Old 08-30-2019, 02:48 AM Thread Starter
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Re: green connector

just tested it.
no power on yl wire in start position.

does the yl wire receiver power from the red wire in startposition?
beceause i swapped the complete ignition and lock from a running car
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post #15 of 51 Old 08-30-2019, 10:06 AM
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Re: green connector

I am assuming you tested the YL wire for power out at the ignition switch.

The ignition switch gets its power from the Red and Pink wires you already tested that were OK.
The YL wire is a power output to the starter relay when you turn the key all the way to the "Start" position.
If you have constant battery power in as you stated but no power is present on the YL wire at the Ignition Switch Connector with the key in the Start position then you have either a faulty switch, key cylinder issue or a connection problem between the switch connector and switch(a terminal could be spread/pushed out/cracked/broken)

Looking at the Ignition Switch Connector in the illustration below...
Cavity #1 YL - Power Out With the Key In The Start Position Only
Cavity #2 DB - Power Out With the Key In The On/Run Position
Cavity #4 PK - Power In From The Battery, Power Will Always Be Present With The Key On Or Off.
Cavity #7 RD - Power In From The Battery, Power Will Always Be Present With The Key On Or Off

green connector-electrical-ignition-switch-ag-aj-3.jpg

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