Question about Ford F-150

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F-150'06 wiring trailerlight kit. There is no voltage on running lights pin of 4 pin connector(voltmeter) but brake and r/l turn lights pins good. checked Fuse #10 and relay 201. Both fine. What else?

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Could be a broken wire/connection

Posted on May 07, 2017

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Brake lights 1999 jeep


I looked at info for 99 jeep Cherokee. You can see the fuse and the stop lamp switch, which should be activated by the brake pedal arm when you step on the brake. The white wire with tan tracer carries voltage for rear brake lamps. The ground wire is black, so check voltage and ground. I don't know if all models have the same wire color, you didn't post the model?
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Dec 15, 2016 | Jeep Cars & Trucks

2 Answers

Trailer light issues


Hi Donald,
It sounds like a wiring issue. Double the wiring to your connector on the vehicle. Also check the wiring on the trailer connector. I have seen many trailer that are wired to ground through the ******, this of course will cause an intermittent ground and flickering lights. you only need four (4) wires... One for a ground, One for running lights, and Two wires for brake and turn - one wire for the left and one wire for the right. You can also find the proper pin wiring for vehicle and trailer on the internet. Cheers. I hope this helps. John

Jul 05, 2012 | 2003 Chevrolet Silverado 2500HD

1 Answer

Es lexus 300 p 1705...What is this?


DTC P1705 - NC2 (Direct Clutch Speed Sensor) Revolution Sensor Circuit malfunction or Direct Clutch Speed Sensor Output is 300 RPM or less with Vehicle at 20 MPH or more & with Park/Neutral Position Switch Off

Most probably you have an electrical fault causing the problem and attached is a diagnostic procedure. It could be 2 separate problems and after rectifying the P1705 only would you know it is single or 2. Repair manual shows right on top of transmission, black sensor with single bolt, 2 wire plug. P/N 89413-08020 list price $113.80

NOTE: DTC P1705 is set when PCM receives 2 gear position signals at the same time.

1. Turn ignition on. If any A/T gear position indicator lights remain illuminated when gear selector is moved from that gear, go to next step. If all A/T gear position indicator lights turn off when gear selector is moved from that gear, system is okay at this time.

2. Disconnect A/T gear position switch connector. If all A/T gear position switch indicators go out, replace A/T gear position switch. If all A/T gear position switch indicators do not go out, go to next step.

3. Reconnect A/T gear position switch connector. Shift through all gear positions except Reverse. Using a DVOM, measure voltage between 16-pin PCM harness connector "D", terminal No. 6 (Green/Red wire on 2.3CL or White wire on Accord and Odyssey) and 25-pin PCM harness connector "B" terminals No. 20 or 22 (Brown/Black wires).

If battery voltage is present, go to next step. If battery voltage is not present, check for a short in Green/Red or White wire between 16-pin PCM harness connector "D" and A/T gear position indicator, or A/T gear position switch. Repair as necessary. If Green/Red or White wire is okay, check for loose PCM harness connectors. Replace PCM with a known-good unit if necessary.

4. Shift through all gear positions except Neutral and Park. Measure voltage between 16-pin PCM harness connector "D", terminal No. 13 (Blue/White wire on Accord or Light Green wire on 2.3CL and Odyssey) and 25-pin PCM harness connector "B" terminals No. 20 or 22 (Brown/Black wires). If battery voltage is present, go to next step. If battery voltage is not present, check for a short in Blue/White or Light Green wire between 16-pin PCM harness connector "D" and A/T gear position indicator, or A/T gear position switch. Repair as necessary. If Blue/White or Light Green wire is okay, check for loose PCM harness connectors. Replace PCM with a known-good unit if necessary.

5. Shift through all gear positions except "D4". Measure voltage between 16-pin PCM harness connector "D", terminal No. 9 (Light Green/Black wire on 2.3CL or Yellow wire on Accord and Odyssey) and 25-pin PCM harness connector "B" terminals No. 20 or 22 (Brown/Black wires). If battery voltage is present, go to next step. If battery voltage is not present, check for a short in Light Green/Black or Yellow wire between 16-pin PCM harness connector "D" and A/T gear position switch. Repair as necessary. If Light Green/Black or Yellow wire is okay, check for loose PCM harness connectors. Replace PCM with a known-good unit if necessary.

6. Shift through all gear positions except "D3". Measure voltage between 16-pin PCM harness connector "D", terminal No. 8 (Green/Blue wire on 2.3CL or Pink wire on Accord and Odyssey) and 25-pin PCM harness connector "B" terminals No. 20 or 22 (Brown/Black wires). If battery voltage is present, go to next step. If battery voltage is not present, check for a short in Green/Blue or Pink wire between 16-pin PCM harness connector "D" and A/T gear position indicator, or A/T gear position switch. Repair as necessary. If Green/Blue or Pink wire is okay, check for loose PCM harness connectors. Replace PCM with a known-good unit if necessary.

7. Shift through all gear positions except "2". Measure voltage between 16-pin PCM harness connector "D", terminal No. 14 (Green/Yellow wire on 2.3CL or Blue wire on Accord and Odyssey) and 25-pin PCM harness connector "B" terminals No. 20 or 22 (Brown/Black wires). If battery voltage is present, go to next step. If battery voltage is not present, check for a short in Green/Yellow or Blue wire between 16-pin PCM harness connector "D" and A/T gear position indicator, or A/T gear position switch. Repair as necessary. If Green/Yellow or Blue wire is okay, check for loose PCM harness connectors. Replace PCM with a known-good unit if necessary.

8. Shift through all gear positions except "1". Measure voltage between 16-pin PCM harness connector "D", terminal No. 15 (Light Green/White wire on 2.3CL or Brown wire on Accord and Odyssey) and 25-pin PCM harness connector "B" terminals No. 20 or 22 (Brown/Black wires). If battery voltage is present, check for loose PCM harness connectors. Replace PCM with a known- good unit if necessary. If battery voltage is not present, check for a short in Light Green/White or Brown wire between 16-pin PCM harness connector "D" and A/T gear position indicator, or A/T gear position switch. Repair as necessary. If Light Green/White or Brown wire is okay, check for loose PCM harness connectors. Replace PCM with a known-good unit if necessary.


Hope helps.

May 24, 2011 | Lexus ES 300 Cars & Trucks

1 Answer

7.3 hard to start then runs bad. put it gear and i have no power i mean no POWER.


Hello! I suspect a defective Manifold Absolute Pressure (MAP) sensor...Located under hood, center, rear engine area, mounted on the upper firewall...Three pin connector...Wire colors...Brown/White...Light Green/Black...And Gray/Red...It can be tested if you have a voltmeter...Push a safety pin into the rear of the in place connector on the Light Green/Black wire...Another pin into the rear of the connector on the Gray/Red wire...Set meter to read 5 volts...Place +probe of meter on the Light Green/Black and - to Gray/Red...Turn the key to on...Should read 4 volts...If voltage is 3 volts or less the MAP is defective...This part is called "the fuel boss" and will give the symptoms the vehicle has...Cost is around $100...See picture of MAP below...Guru..Saailer

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Oct 20, 2010 | 1995 Ford F250

1 Answer

Parking lights on Nissan Frontier on - trailer parking not. 4 pin connector to factory connector (after market sealed wiring) - brake and turn signals work - no power to "brown" wire at factory connector...


First check the fuses. There may be one for trailer running lights. Check also power at the harness. If the brake lights and turn signals are seperate, there has to be a converter from 5 to 4 wire. For the power to feed back to the brake lights it sounds like the vehicle wiring is direct and not using a converter... or one of the bulbs on the trailer is contacting both contacts. Try http://www.etrailer.com/faq-wiring.aspx and maybe get a simple 4 pin tester that plugs into the 4 pin connecter. Hope this helps.

Oct 24, 2009 | 2005 Nissan Pathfinder

1 Answer

Motor turns over but no spark changed coil and crank shaft sensor


well replace lots of coils but same with crank sensor on these trucks
  • For this test, an analog (non-digital) voltmeter is needed. Do not remove the distributor connector from the distributor. To perform a complete test of the Camshaft Position Sensor and its circuitry, refer to the DRB II diagnostic tester. Also see the appropriate Diagnostic Charts. To test the sensor only, refer to the following: See: Testing and Inspection
  • Using small paper clips, insert them into the backside of the distributor wire harness connector to make contact with the terminals. Be sure that the connector is not damaged when inserting the paper clips. Attach voltmeter leads to these paper clips.
PROCEDURE
  1. Connect the positive (+) voltmeter lead into the sensor output wire. This is done at the distributor wire harness connector.
  2. Connect the negative (-) voltmeter lead into the ground wire.
  3. Set the voltmeter to the 15 Volt DC scale.
  4. Remove distributor cap from distributor (two screws). Rotate (crank) the engine until the distributor rotor is pointed towards the rear of vehicle. The movable pulse ring should now be within the sensor pickup.
  5. Turn ignition key to ON position. Voltmeter should read approximately 5.0 volts .
  6. If voltage is not present, check the voltmeter leads for a good connection.
  7. If voltage is still not present, check for voltage at the supply wire.
  8. If voltage is not present at supply wire, check for voltage at pin-7 of Powertrain Control Module (PCM) 60-way connector. Leave the PCM connector connected for this test.
  9. If voltage is still not present, perform vehicle test using the DRB II diagnostic scan tool.
  10. If voltage is present at pin-7, but not at the supply wire:
    1. Check continuity between the supply wire. This is checked between the distributor connector and pin-7 at the PCM. If continuity is not present, repair the harness as necessary.
    2. Check for continuity between the Camshaft Position Sensor output wire and pin-44 at the PCM. If continuity is not present, repair the harness as necessary.
    3. Check for continuity between the ground circuit wire at the distributor connector and ground. If continuity is not present, repair the harness as necessary.
  1. While observing the voltmeter, crank the engine with ignition switch. The voltmeter needle should fluctuate between 0 and 5 volts while the engine is cranking. This verifies that the camshaft position sensor in the distributor is operating properly and a sync pulse signal is being generated. NOTE: If sync pulse signal is not present, replacement of the Camshaft Position Sensor is necessary.



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Oct 05, 2009 | 1995 Jeep Grand Cherokee

2 Answers

Need to wire tow bar into 1999 LT35


Hi ebrown80
You can splice into each wire in turn at the back of the lamps.No need to cut right through the origional loom completly. For a really good joint you should spot solder each connection and insulate all joints well. Tow bar sockets operate on a common earth, so no need to loop each one.
Check back of socket and you will find each pin has a number. 1---7
The wiring colours from the socket back to the loom are as follows
No 1 Pin--- Yellow Wire---Left Side Flasher
No 2 Pin--- Blue Wire------Fog Lamp.
No 3 Pin--- White Wire--- Earth. Must have good contact or nothing else will operate.
No 4 Pin----Green Wire--- Right Side Flasher.
No 5 Pin----Brown Wire---- Left Side Park Light
No 6 Pin----Red Wire-------Brake Lights
No 7 Pin----Black Wire----Right Side Park Light. Centre Pin.
I hope this helps you out
Best of Luck with it
John


Sep 13, 2009 | 2004 Volkswagen Eurovan

4 Answers

No trailer right turn signal or brake light


Hey Boon,

The pinouts for a 7-way plug are as follows:
Seven wire Trailer plugs:

Horse, stock or utility trailers:

White = Ground - 1
Blue = Electric Brakes - 2
Brown = Tail and clearance lights - 3
Black = Battery, aux power - 4
Yellow = Left turn/Brake - 5
Green = Right turn Brake - 6
Orange or Purple (not both) = Auxilliary or Reverse - 7

Recreational Vehicle:
White = Ground - 1
Blue = Electric Brakes - 2
Green = Tail and clearance lights - 3
Black = Battery, aux power - 4
Red = Left turn/Brake - 5
Brown = Right turn Brake - 6
Yellow = Auxilliary or Reverse - 7

In both cases 4 is battery and 7 is reverse, aux or not used.

Double check your wiring using these lists as a reference.

Click here for my post on Trailer wiring

This should get us closer to the answer.

Best regards,
Mike

Sep 08, 2009 | 2004 Dodge Ram 2500

1 Answer

Cruise control indicater lights are on but will not engage


Check the cruise control module connector, see if it looks good and there is power to the module over one of the white wires in the 10 pin connector.
There are two white wires going to the module which is located at pins "G" and "J". There should be no voltage at pin "G" until the brake switch is applied. This switch is also used to operate the brake lights. The two wire colors on this switch are white and orange. At pin "J", this signal goes to the PCM to tell it that the cruise control module is engaged. Here is the info on the cruise control connector:

Pin A: gray - cruise control on switch signal: 12VDC with cruise switch on
Pin B: dark blue - cruise control set/coast switch signal: 12VDC with switch pressed
Pin C: gray/black - cruise control resume/accel switch signal: 12VDC with switch pressed
Pin D: brown - cruise control release signal: 12VDC with brake pedal not pressed: 0V when pressed
Pin E: black/white - ground
Pin F: brown - ignition 3 voltage: 12VDC with ignition on
Pin G: white - stop lamp switch signal: 0V with brake pedal not pressed: 12VDC when pressed
Pin H: dark green - cruise control inhibit signal: 0V if PCM detects an inhibit condition
Pin J: white - cruise control engaged signal: voltage (unsure of value, either 12VDC or 5VDC) when signal engaged
Pin K: dark green - vehicle speed signal: 1 to 5 volts depending on speed

This view of connector is facing it after it is separated.

Trying to post the connector view, the lines may not quite line up, but at least it should show you the pin positions.

| F  G H J K |

| E D C B A | 

May 09, 2009 | 2002 Chevrolet Impala

1 Answer

Rear brake light problem


The tail light housing bulb holders are notorious for not making good contact to the tail light housing. Remove the housing, and disconnect the electrical connector. Label each bulb holder prior to removal, with a marker pen. 1, 2, 3, upper, middle, lower, etc. Remove each bulb holder, by turning counter clockwise 1/2 turn, and withdraw holder. Inspect each contact. You can bend the contacts outward a tiny bit, just flex it a tiny bit, and check with an ohmmeter for contact. Also inspect the bulb holders for melting from bulb heat, so much so that the plastic holder, which contains the bulb contacts, no longer make proper contact to the bulb. Also check the bulbs with an ohmmeter to verify that the bulbs are good. When reinstalling the bulb holders, check that the little flanges on the holders are properly inserted into the tail light housing. Reconnect electrical connector, and reinstall housing into vehicle. On a further note, with the electrical connector disconnected from the housing, you can check for voltages from the connector pins to ground, using a voltmeter. Turn ignition switch to run position, turn on headlight, and turn on blinker, or use stick to push brake pedal, against front of seat, and verify voltage from pins to vehicle frame (or connector ground pin). If no voltage, then check fuses, or broken wiring. My experience, however, is poor connection from bulb holders to tail light housing.

Jul 28, 2008 | 2000 Jeep Cherokee

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