What does NCA mean in vehicle wiring? - C1500 Chevrolet Cars & Trucks

Regardless the year, maker, model it stands for No Color Associated/Assigned. In most Chrysler schematics I've seen generally the wire leading from the alternator (8 gauge on stud with nut) is listed NCA going to a fusible link (10 gauge) sitting between the 8 gauge Red battery connection.

What make vehicle do you have ? model an year too ? Some newer vehicles , an I mean from 96 on have relays that power up some systems on the vehicle , like ford has a power hold relay an GM has run/crank relay an Chrysler has ASD relay . Foreign vehicles have them too . You need to get a power distribution diagram for your vehicle an see where there power comes from ! You can get it here www.bbbind.com free wiring diagrams ! click on technical information , next page click on tsb's an wiring diagrams . The bottom of the next page click on I agree . Next page click wiring diagrams an then enter your vehicle info . in system click power distribution ! Good luck ,hope this helps an God bless !

The P0500 code indicates a problems with the ABS system. If you have recently replaced wheel sensors, it sounds like one or more may be disconnected or flaky.

From datsc.com:
What does this mean? OBD Code P0500refers to
Basically this means that the vehicle's speed as read by the Vehicle Speed Sensor (VSS) is not working properly.
Symptoms Possible sumptoms of OBD code P0500
loss of anti-lock brakes the "anti-lock" or "brake" warning lamps on the dash may be lit the speedometer or odometer may not work properly (or at all) your vehicle's RPM limiter may be decreased the shifting of an automatic transmission may become erratic other symptoms may also be present
Causes Possible causes of OBD code P0500
A code P0500 may mean that one or more of the following has happened: The Vehicle Speed Sensor (VSS) is not reading (functioning) properly There is a broken/frayed wire leading to the vehicle speed sensor The vehicle's PCM is not correctly configured for the actual tire size on the vehicle
Possible Solutions The simplest thing to do is to reset the code and see if it comes back. Next, check all wiring and connectors that lead to the speed sensor. The location of the sensor depends on your vehicle. The sensor could be on the rear axle, transmission, or perhaps the wheel hub (brake) assembly. If the wiring and connectors are OK, then check the voltage at the speed sensor. Again, the exact procedure will depend on your make and model of vehicle. If everything looks OK, replace the sensor.

moved you
its not a JEEP at all.

varies by makers. of parts, (FSM States that, NCA , no color assigned that means)
only the harness colors match and are known...

and has a connector, it just plugs in!
is there hacking here? what.
post a photo,so we dont need to guess what is going on here.

that is simple.
day one build.
the big PLUS cable goes from battery PLUS LUG to outboard
Solenoid huge lug.
then the battery NEG lug goes to stop starter bolt and all G16 made.

last is the the dinky wire, that be obvious, the key line

here is a schematic of yours.
the ground is called G105 the fSM even shows photos of it.

http://www.fixkick.com/nostart_files/starting-1w.jpg


NCA = no color assigned. mine are black.

mines black. why worry color.?
my other car has new cables ones black (minus) and other red, Plus.
on many cars the schematics show , NCA,. no color assigned.
that way the factory can use many brands.
if really curious.....????
read the FSM
or login to alldata.com. like us.

use at your own risk. I can not confirm these.
+12V DC Battery(Constant) Yellow/green 31 15 Amp Fuse box on left front of engine compartment, near battery. Switched Accessory Purple 6 10 Amp Fuse block behind left side of dash Power Antenna NCA Green for antenna signal Illumination Red/yellow & red/blue Steering Wheel Control Wire Red/white, green, and blue If equipped, as for Mid-Line. Left Front + Blue/white Left Front - Blue/red Right Front + White/black Right Front - Blue/black Left Rear + Green/yellow Left Rear - Black/yellow Right Rear + Blue Right Rear - Red
AT SPEAKERS
Wire Function Color Note Left Front Tweeter + Blue/white Left Front Tweeter - Blue/red Right Front Tweeter + White/black Right Front Tweeter - Blue/black

What does that mean? Basically this means that the vehicle's speed as read by the Vehicle Speed Sensor (VSS) is not working properly.
FB.init("dd7d9e9681341cde77587bc6a2029f6f"); OBD-Codes.com on Facebook SymptomsSymptoms of a P0500 DTC may include:

• loss of anti-lock brakes
• the "anti-lock" or "brake" warning lamps on the dash may be lit
• the speedometer or odometer may not work properly (or at all)
• your vehicle's RPM limiter may be decreased
• the shifting of an automatic transmission may become erratic
• other symptoms may also be present

Causes A code P0500 may mean that one or more of the following has happened:

• The Vehicle Speed Sensor (VSS) is not reading (functioning) properly
• There is a broken/frayed wire leading to the vehicle speed sensor
• The vehicle's PCM is not correctly configured for the actual tire size on the vehicle

Possible Solutions The simplest thing to do is to reset the code and see if it comes back.
Next, check all wiring and connectors that lead to the speed sensor. The location of the sensor depends on your vehicle. The sensor could be on the rear axle, transmission, or perhaps the wheel hub (brake) assembly.
If the wiring and connectors are OK, then check the voltage at the speed sensor. Again, the exact procedure wil depend on your make and model of vehicle.
If everything looks OK, replace the speed sensor

Robbie, doing a harness overhaul with diagram is a mess, try a salvage yard to find harness you need, or look for one in remanufactured books for your car. I have done harnesses from scratch and can't tell you what a pain it is getting it right and fixing plugs for origional connections. If you find one at salvage take it out yourself so you understand how to hook it up. This is without a doubt the best advice that can be given in this case.

*** 91 park ave with delco bose =

black = ground
dark green = lights on input
grey = panel lights
pink = on input
yellow = power input
orange = battery power input

nca = shield ground
tan = left fr spkr +
orange/black = left & right spkr -neg
lite green = right fr spkr +

nca = shield ground
dark blue = right rear spkr +
dark green/yellow = right & left spkr - neg
brown = left rear spkr +

purple/white = display dim output
pink = vehicle speed input
-----------------------------------------------------------------------
**** 91 park ave without delco bose =

purple/white = display dim output
pink = vehicle speed input

grey = left front - neg
tan = left front + pos
dark green = right front - neg
light green = right front + pos

black = ground
dark green = display dim signal
grey = panel lights
pink = power antanna
yellow = ign input
orange = battery power
light blue = right rear - neg
dark blue = right rear + pos
yellow = left rear - neg
brown = left rear + pos .

there YA go