Skip the auto shop - Our mechanics make house calls

Q: What do the black and green wires go to on the turn signal switch plug

asked by on

I replaced the turn signal switch in my 96 blazer. The new switch has a green and black wire on a separate plug and I am not sure what they go to. On the old switch I took out, the same color wires were on the larger black plug that plugs into the box that you screw in have been cut by the plug. And my left turn indicator light on the dash will not blink. I have replaced the flasher Relay, Bulbs, they blink out side front and back, just the left arrow dose not blink on the dash.

My car has 167437 miles.
My car has an automatic transmission.

I can think of a couple of possible causes of the issue you are having. Either the part you purchased for replacement is not the exact same part that you removed or there are special instructions that go along with the new part that were not followed during the installation. Many times a manufacturer will alter a certain part years after it was introduced to make improvements to the design. Sometimes this alteration will include adding or removing wires. I would check to see if the part came with any sort of paperwork regarding its installation. This paper should explain what the extra wires are for. If you are in doubt about this repair, consider YourMechanic to come to your home or office to replace your turn signal switch.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. What do the black and green wires go to on the turn signal switch plug

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car won't start right

Hi there. To be honest, the only help we could offer is to complete a car is hard to start inspection at your location. There could be multiple issues going on with your Blazer, so it's best to have a...

Q: Bottom right radiator hose will not go into new radiator

Get a transmission line disconnect tool or pop the clip out with a small pick tool and reinstall it. The 'jiffy-tite' connectors and manufacturers of radiators will make the adapter fittings different sizes which could be why you are experiencing...

Q: Knocking when engine warms up

When the engine is cold, the viscosity of the oil is higher along with the internal bearing clearances in the engine. As the engine warms both the viscosity of the oil lowers and the engine bearing clearances can increase dropping...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...