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Turn signal wiring - 1985 Pontiac Firebird

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2004 Chevrolet Silverado 2500 HD LS crew cab 6.0 4x4 right turn signal activates hazards. What would the steps be to diagnos this problem without purchasing parts that do not fix the problem


Do you know how to test automotive electrical circuit's using a wiring diagram an a DMM - digital multi-meter ? Do you know what a factory diagnostic flow chart is ? This will not set any diagnostic trouble code's in the BCM - body control module . Looking at factory symptom chart , their is no diagnostic trouble chart for your symtoms . Have four choices .
Hazard Lamps Always On
• Hazard Lamps Inoperative
Turn Signal Lamps and/or Indicators Always On or Flashing
• Turn Signal Lamps and/or Indicators Inoperative
Which one would you use to diagnose this problem .
Or would you just view wiring diagrams an wing it ?

Turn Signal Lamps and/or Indicators Inoperative
Step
Action
Yes
No
Schematic Reference: Exterior Lights Schematics
Connector End View Reference: Lighting Systems Connector End Views or Body Control System Connector End Views in Body Control System.
1
Did you perform the Lighting Systems Diagnostic System Check?
YES - Go to Step 2
NO - Go to Diagnostic System Check - Lighting Systems
2
Verify that the turn signal lamps and/or indicators are inoperative.
Do the turn signal lamps and/or indicators operate normally?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 3
3
Are only the turn signal indicators in the instrument panel cluster (IPC) inoperative?
YES - Go to Step 4
NO - Go to Step 5
4
Test the inoperative turn signal supply voltage circuit to the IPC for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 21
NO - Go to Step 13
5
Is only one turn signal lamp inoperative?
Go to Step 6
Go to Step 8
6
Inspect the inoperative bulb/socket for an internal short, poor terminal contact, or an open filament.
Was a problem found?
Go to Step 18
Go to Step 7
7
Test for an open, high resistance, or short to ground in the turn signal lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 16
8
Inspect the IGN E fuse and the FLASHER fuse.
Is either fuse open?
Go to Step 11
Go to Step 9
9
Test for an open or high resistance in the following circuits:
• The turn/hazard flasher battery positive supply voltage
• The turn/hazard flasher ground
• The turn signal switch ignition 1 supply voltage
Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 10
10
Disconnect the multifunction switch, turn signal switch.
Test the multifunction turn signal switch for continuity between the multifunction turn signal switch ignition 1 voltage input terminal and the turn signal flasher signal output terminal in each respective position. Refer to Circuit Testing in Wiring Systems.
Is continuity present?
Go to Step 12
Go to Step 14
11
Test the following circuits for a short to ground:
• The multifunction turn signal switch ignition 1 voltage
• The turn/hazard flasher supply voltage
• The left turn signal switch signal
• The right turn signal switch signal
• The left turn signal lamps supply voltage
• The right turn signal lamps supply voltage
• The trailer left rear turn/stop lamp supply voltage
• The trailer right rear turn/stop lamp supply voltage
Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 14
12
Test the following circuits for an open or high resistance:
• The multifunction turn signal switch ignition 1 voltage
• The turn/hazard flasher supply voltage
• The left turn signal switch signal
• The right turn signal switch signal
• The left turn signal lamps supply voltage
• The right turn signal lamps supply voltage
• The trailer left rear turn/stop lamp supply voltage
• The trailer right rear turn/stop lamp supply voltage
Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 15
13
Inspect for poor connections at the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 17
14
Inspect for poor connections at the multifunction turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 19
15
Inspect for poor connections at the turn signal/hazard flasher module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 20
16
Repair the ground circuit of the inoperative lamp. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 21
--
17
Important: Perform the set up procedure for the IPC.
Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console.
Did you complete the repair?
Go to Step 21
--
18
Replace or repair the inoperative bulb/socket.
Did you complete the repair?
Go to Step 21
--
19
Replace the multifunction turn signal switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column.
Did you complete the repair?
Go to Step 21
--
20
Replace the turn signal/hazard flasher module.
Did you complete the repair?
Go to Step 21
--
21
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 3

Jan 06, 2018 | Chevrolet Silverado 2500HD Cars & Trucks

1 Answer

Why only left turning signal not blinking only when headlights on? green arrow pointing left seen but not blinking. When headlights off, both turning signals work perfectly,


It sounds as though you have a wiring problem around that particular light/signal.

Check the black earth leads to the light and the signal - it may be nothing more than a 'bad earth' due to corrosion where the earth wire connects to metal.

Check the main power wires, too. It should be an easy fix .. make sure the wires are clean and secure

Apr 16, 2017 | Cars & Trucks

2 Answers

My rear turn signals are not working. front turn signals work rear parking lights work brake lights work


In the diagram for rear lamp, the top wires are voltage, the bottom black wire is ground. The brown wire on either side should be tail lamps, goes hot when you turn on the headlamp switch. The other top wire on either should be for turn signal. With everything turned on, is there voltage on that wire?
Because the front works and the rear don't, possible wiring circuit problem? The voltage for turn signals comes from bcm. The bcm knows when you turn on turn signal switch, either side, then the bcm sends voltage to turn signal lamp at the rear and front.

rear-turn-signals-not-working-front-nrw1b5lbo1usuvcsnuvurzx3-3-0.jpg

Oct 17, 2016 | 2009 Chevrolet Chevrolet HHR LS

1 Answer

Third eye works no rear signal or brake lights


The high mount brake light gets its own signal from the brake light switch (on the brake pedal). Or at least the wire leaving the brake light switch will splice, one wire to the high mount brake light, and the other for the rear brake lights is routed through the turn signal switch, and coordinated there with the turn signal wires to the rear brake lights. The brake wires and turn signal wires share the same wire, and same filament in the bulbs. It is kind of complicated, but brakes applied with no turn signal, brake light wire goes from brake light switch through the turn switch and out to the bulbs. If brakes applied with turning signal, non blinking brake light wire goes from turn switch to rear light, while the turning signal wire will go through the flasher relay, and then to the rear light to cause blinking.

I hope that makes sense. It appears the problem may be in the turn signal switch for both the turn signals and the rear brake lights.

Mar 14, 2015 | 2007 Dodge Ram 3500 Quad Cab Laramie

1 Answer

Turn signal flashes fast but bulbs good


You need to replace the turn signal flasher with a heavy duty one.

Oct 19, 2013 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

I have a 92 chevy s10 and my front passenger turn signal has went out and soon after my rear driver side turn signal and running light has went out. I have tried swapping the bulbs that work to the ones...


https://s1.postimg.org/89tia75ozz/turn_signal.jpg

Click on the link.
This is for turn signals. Get at the turn signal switch. See the purple wire, L terminal on top of turn signal switch in diagram, that should go hot with key on, use jumper wire from that terminal to one of the wires on bottom of turn signal switch in diagram, those are, front/rear, left/right turn signals. If the turns signals work properly with the jumper, but, other wise don't, the problem should be the turn signal switch. If it still doesn't work properly, you would have to check wiring circuits.
Sometimes a faulty ground can cause weird problems. Sometimes the bulb doesn't make good contact in the bulb socket? Try putting a little pressure on the bulb in the bulb socket, see if it starts working?

Jul 31, 2017 | 1992 Chevrolet S-10

1 Answer

69 firebird turn signal switch does not cancel, need blow up of internal parts in column


You need to replace turn sinal switch its not hard remove center of steering wheel (horn button) remove steering wheel bolt with steering wheel puller pull wheel off remove turn signal handle three screws and emergency button, under dash on right side of steering colume disconect turn signal wires tape a long wire to the end of connector pull turn signal wires out with out pulling tape wire out so you can tape new turn signal wire connector to wire so you can pull it back through

Jun 29, 2011 | Pontiac Firebird Cars & Trucks

1 Answer

How do i install Switch Assembly turn signal Cruise control PART AUTO for a 2002 Impala.


Multifunction Turn Signal Lever Replacement - On Vehicle

Removal Procedure

83422682


  1. Verify that the multifunction turn signal lever is in the center of the OFF position.
  2. Disconnect the negative battery cable.
  3. Disable the SIR system.
  4. Remove the steering wheel.
  5. Remove the steering column trim cover.
  6. Remove the steering column knee bolster.
  7. Remove the steering column wire harness (1) from the steering column wire harness retainer (2).
  8. Remove the 2 wire harness straps from the steering column wire harness (1).
  9. Remove the steering column bulkhead connector from the vehicle wire harness.
  10. Disconnect the connectors from the multifunction turn signal lever steering column bulkhead connector.
85097560




  1. Remove the retaining bolts (1) from the multifunction turn signal lever (2).
  2. Remove the multifunction turn signal lever (2) from the steering column.
Installation Procedure

85097560




  1. Install the multifunction turn signal lever (2). Use a small flat-blade in order to compress the electrical contact and move the multifunction turn signal lever into position.
  2. Verify that the electrical contact rests on the canceling cam.
Notice: Refer to Fastener Notice in Service Precaution.


  1. Install the retaining bolts to the multifunction turn signal lever.
    • Tighten the retaining bolts to 7 Nm (62 inch lbs.) .
92905224




  1. Connect the gray and black connectors to the multifunction turn signal lever steering column bulkhead connector.
  2. Connect the steering column bulkhead connector to the vehicle wire harness.
  3. Install the two wire harness straps to the steering column wire harness (1).
  4. Install the steering column wire harness (1) to the steering column wire harness retainer (2).
  5. Install the steering column knee bolster.
  6. Install the steering column trim cover.
  7. Verify that the lever is in the center or the OFF position.
  8. Install the steering wheel to the steering column.
  9. Enable the SIR system.
  10. Connect the negative battery cable.
I hope this helps you.

Thanks

Nov 28, 2010 | 2002 Chevrolet Impala

1 Answer

Driver side signals only work when headlights are OFF


What may have happened is either the headlights wiring or the parking lights wiring somewhere along the wiring fused to the left turn signals wiring. Depending on if the turn signals go on when you put the parking lights on or the headlights on.

If the signals come on when you turn on the headlights than you only need to locate the light green wire that comes off the left turn signal harness.

Next follow that wire the entire way back to the firewall looking for another wire fused to that wire as you go.

If there are no signs of this you need to continue looking on the other side of the firewall all the way back to the turn signal and hazard flasher unit which is a black box that connects to a black harness located next to a grey harness behind the knee bolster.

But if the signals come on when you turn on the parking lights than you will also need to check the wiring from the rear left signal and follow that light green wire all the way back to the turn signal and hazard flasher unit.

This should fix your problem, but if not than your problem may lay within the the wiring between the turn signal/hazard switches and the turn signal and hazard flasher unit.

Also you may have a burnt circuit in the junction block. This block is where the light green from the rear left signal and front left signal meet. Don't have a description but if you cannot find it let me know and I will go out to the yard and look myself and let you know.

Apr 22, 2009 | 2004 Dodge Intrepid

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