Blinking Parking Brake Light. Options

[Olympic 914]

Out running errands and when leaving I noticed the brake light blinking. I do use the parking brake a lot. so I pulled it on and off a couple times, no change. The brakes feel normal. Stopped for gas and checked the fluid reservoir, its at the proper level.

Then driving home, after a couple miles the light went off. (?)

When I got home it was back on again.


I am thinking maybe a wonky parking brake switch. But will check the switch on the master also

Is the parking brake switch a Normal Open or Normal Closed?

Anyone else have this happen ? Or know of something else I should check....

[Spoke]

@Olympic 914

Tom,

EP26 has a very low threshold for flashing and sometimes leakages in wiring can cause the EP26 to cycle all by itself.

However, you mention that the brake warning light flashes. See below schematic. If the brake warning light is flashing, then either the MC or ebrake switch is making contact. Maybe not all the time but some times.

I would start with the ebrake switch since it's easiest to get to and pull the switch out and see if you get the brake light flashing. If it still flashes, pull the wires off of the MC warning switch and see if that cures it.

[PaIsa]

So while I was replacing the speedo cable I took a look at the parking brake switch to find out that there are 2 poles on the switch, but only one cable?? The only cable is routed toward the front of the car. I would guess that the other pole is to be grounded somewhere. But since my brake light is blinking then I guess that my problem is more then just that.

As well, while the car was in the air, I looked at the switch on the MC, and I have a 2 pole switch and was not able to see any reset on it.

So I am back to searching!!

[Spoke]

So while I was replacing the speedo cable I took a look at the parking brake switch to find out that there are 2 poles on the switch, but only one cable?? The only cable is routed toward the front of the car. I would guess that the other pole is to be grounded somewhere. But since my brake light is blinking then I guess that my problem is more then just that.

As well, while the car was in the air, I looked at the switch on the MC, and I have a 2 pole switch and was not able to see any reset on it.

So I am back to searching!!

@PaIsa

You can try disconnecting the wires at the MC warning switch and see if the blinking stops.

[PaIsa]

I guess that if the blinking stops then my problem is either a bad switch on the MC or a bad MC that causes the switch to activate.

For the switch on the parking brake, here is a picture of what I currently have on the car. 2 pole switch with only one wire going back toward the dash through the tunnel. I guess that the oter pole is to be grounded, right??