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What is this black wire running from starter to under my dash

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More then likely it is the wire coming off the starter relay

Posted on Jul 18, 2013

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I have a 89 GMC Suncrest motor home with starting problems, new battery, new starter and still will not turn over I'm stumbed


Is the purple wire at the starter solenoid showing power when the key is turned to the start position? Check that first. Also do you have an aftermarket starter interrupt system, look under the dash for a little black plastic case with wires coming out hanging down or taped up there.

May 01, 2017 | GMC Cars & Trucks

3 Answers

Where are starter relays located ?


Probably should get a chiltons or hanynes manual, manual will tell you where and probably more for future issues.

May 10, 2014 | 1998 Chevrolet Lumina

1 Answer

Won't start


So it's a no crank condition? Do dash lights, gauges, and everything else work when the car won't crank over? If so, buy a cheap $5.00 testlight, and when the car won't crank, pull the small black wire off the starter solenoid. While someone holds the key in start (cranking) position and clutch pedal depressed, see if the black wire has power as it should. (Ground the testlight and just touch the wire's end terminal. If powered, the testlight will light up.) If power there, then the starter solenoid is failing. Toyota starters are very good units, but the solenoid's internal contacts get old and pitted.
If no power at the black wire, then the start circuit from ignition switch to clutch safety switch (on the clutch pedal) to starter relay to starter solenoid will have to be diagnosed. To double-check: take a single battery jumper cable and put it on the positive battery post connection. Put the other end of the jumper cable on the solenoid terminal where black wire was removed. Key can be off. Make sure car is in neutral, brake set. If starter now operates, solenoid is O.K., and it is a problem in the start circuit, -ignition switch, neutral start switch, or in the wiring.
Now find a grounding place for testlight under the dash. When car won't crank, check for power coming out of ignition switch on the black wire with white stripe. This is the start wire for the starter solenoid. Key must be in crank position. Wire shoud be powered-ignition switch is working. If no power, switch is failing. You can do the same for the clutch start switch-it's a simple switch, that when clutch is depressed switch is closed and passes power on from ignition switch to the starter relay (thus allowing power to the starter solenoid). Black wire, red stripe-this is wire from clutch switch to starter relay. When key is in crank, clutch depressed, this wire should be hot.
With me so far? Still haven't found a problem, or any loose connections? Next and last is the starter relay. It is located under dash, close to gas pedal, but under the center console, just forward and left of gear shifter. It can be tested and the wiring diagnosed there, but relays are cheap, so just swap in another and see if that helps.
If you have tried everything, and still no help, you could try a new wire from the relay to the starter solenoid. This is that black wire we started with. Older toyotas sometimes have a problem with degraded wiring not passing enough current to operate the starter

May 04, 2012 | 1992 Toyota Tercel

1 Answer

I need a radio wiring digram color code for 2009 chevy silverado


2009 CHEVROLET SILVERADO C1500 4DR TRUCK WITH 4.3L ENGINE AND STANDARD AUDIO SYSTEM

Remote Start
WIRE COLOR POLARITY LOCATION
Battery RED/WHITE (+) IGNITION SWITCH HARNESS
LOW CURRENT, FOR HIGH CURRENT USE RED/BLACK AT VEHICLE FUSE BOX
Ignition 1 PINK (+) IGNITION SWITCH HARNESS
Accessory 1 BROWN (+) IGNITION SWITCH HARNESS
MAY BE YELLOW ON SOME MODELS
Accessory 2 PINK/BLACK (+) IGNTION SWITCH HARNESS
FOR REMOTE START INTEGRATION
Starter 1 YELLOW/BLACK (+) AT MODULE UNDER HOOD BEHIND DRIVER HEADLIGHT
NOT FOR REMOTE START, FOR REMOTE START INFORMATION
Starter 2 PINK/BLACK (+) IGNITION SWITCH HARNESS
FOR REMOTE START INTEGRATION
Anti-Theft Type GM PASSKEY IIIĀ® ANTI-THEFT SYSTEM
Anti-Theft Descript THE KEY SENDS AN RF SIGNAL TO THE BCM MODULE THROUGH AN ANTENNA LOCATED AROUND THE IGNITION CYLINDER
Key Sense PINK (+) IGNITION SWITCH HARNESS
Tachometer WHITE (-) AT IGNITION COIL
Speed Sense YELLOW/BLACK (AC) AT ECM MODULE UNDER HOOD ON DRIVER FENDER
BLACK PLUG PIN #57
Parking Lights LIGHT BLUE (-) AT VEHICLE LIGHT SWITCH
Brake Lights LIGHT BLUE/WHITE (+) AT SWITCH ABOVE BRAKE PEDAL
IGNITION MUST BE ON FOR THIS WIRE TO TEST
Reverse Lights DARK BLUE (+) AT BCM MODULE UNDER DRIVER DASH
Horn TAN (-) IN HARNESS AT STEERING COLUMN
ALSO AT BCM MODULE UNDER DRIVER DASH
Modules
WIRE LOCATION
Please select another category
Doorlocks/Windows
WIRE COLOR POLARITY LOCATION
Power Unlock WHITE (-) AT BCM MODULE UNDER DRIVERS SIDE OF DASH
THIS WIRE UNLOCKS THE REAR DOORS ONLY, WILL REQUIRE A 5-WIRE SET-UP IN EACH FRONT DOOR TO INTEGRATE OR A SERIAL DATA MODULE FROM AN ALARM MANUFACTURER
PowerLock LIGHT BLUE (+) AT BCM MODULE UNDER DRIVERS SIDE OF DASH
THIS WIRE LOCKS THE REAR DOORS ONLY, WILL REQUIRE A 5-WIRE SET-UP IN EACH FRONT DOOR TO INTEGRATE OR A SERIAL DATA MODULE FROM AN ALARM MANUFACTURER

i would use a DLPK module

DLPK (2009 Chevrolet Silverado)
W2W
CC-Heated Seats Activation
DL-Arm Factory Security
DL-Disarm Factory Security
DL-Door Lock Control
DL-Door Unlock
DL-Driver Priority Unlock
PK-Immobilizer Bypass-Data No Key Req'd
RS-RAP Shut Down (Remote ACC Power)
RS-Tach / RPM Output
SS-Entry Monitoring ALL Door Pins
SS-Entry Monitoring Driver Door Pin
SS-Entry Monitoring Front Door Pins
SS-Entry Monitoring Hood Pin
D2D
CC-Heated Seats
DL-Arm Factory Security
DL-Disarm Factory Security
DL-Door Lock Control
DL-Door Unlock
DL-Driver Priority Unlock
PK-Immobilizer Bypass-Data No Key Req'd
RS-RAP Shut Down (Remote ACC Power)
RS-Tach / RPM Output
SS-Entry Monitoring ALL Door Pins
SS-Entry Monitoring Driver Door Pin
SS-Entry Monitoring Front Door Pins
SS-Entry Monitoring Hood Pin


Hope helps.

Mar 31, 2011 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

My charger ports don't charge my cell phone


THERE IS WIRES RUNNING FROM YOUR STARTER TO YOUR DASH BOARD AND THE WIRE COMING FROM THE STARTER IS CALL A FUSEABLE LINK IT HAS A FUSE IN BETWEEN THE WIRE UNDER NEATH THE CAR GOING TO YOUR STARTER REPLACE IT ,OR IT BURN OUT BUY A NEW AND REPLACE THE OLD ONE

Mar 07, 2011 | 2005 Ford Explorer

4 Answers

I have a 1976 gmc pickup that i can not get to start. I have replaced the ignition switch and the key switch. I had the starter checked and it is okay. There does not appear to be any power to the starter....


you need to check the ign wire to the starter for power. check wire under dash for power and if you have to run a new wire from ign switch to starter selonoid. switch is on top of steering column under dash.

Jan 29, 2011 | Chevrolet 1500 Cars & Trucks

2 Answers

My 1993 Toyota Tercel does not start when key is turned. New battery, all fuses checked and fine. When the doors get opened, hazard lights start blinking for 15 blinks, then pause, then 15 blinks. This...


This sounds like a starter disable feature of a car alarm. Somewhere under the dash you are going to find a box with the start wires running to it. The start wire is black with a white stripe and is thick, about a 12 gauge wire. It will come from the ignition switch and run into a relay or box. It could be installed anywhere as it is aftermarket. Once you find it, you can reconnect both ends of the starter wire and you can start it with the key. I would disconnect the power to the alarm or your lights are going to flash at random. The factory alarm (just in case it is the issue, but that isn't likely) is located behind the radio and ashtray.

Dec 14, 2010 | Toyota Tercel Cars & Trucks

1 Answer

Car wont start got a starter but its the relay switch


STARTER RELAY IS UNDER THE HOOD AND UNDER THE DASH.IT COULD BE THE STARTER SOLENOID ON STARTER BAD.IT WILL CAUSE NO CRANKING PROBLEMS.

Sep 17, 2009 | 1997 Acura CL

2 Answers

Neeed to find out where the startr relay switch is


who is they??what exactly is your problem??? there is a starter cut relay under the dash to the right of the steering column, behind the knee bolster/lower dash cover. 4 wires, black/green, white/red, green, black/white. its hard to diagnose a problem if I dont know what you are trying to fix.

Sep 17, 2009 | 1997 Acura CL

2 Answers

Starter runs constantly when u connect the battery


It will be a small wire that runs from the starter selinoid to the starter, or the small wire that runs from the starter selnoid on the starter to the ignition.

Disconnect the wire at the starter selnoid, it's easiler to reach than at the ignition switch. If it no longer cranks, you know that you now have have of your problem fixed.

If that is the problem, it has to be from the firewall down to the engine. You didn't do anything under the dash. Right?

Nov 23, 2008 | 1999 GMC Jimmy

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