LED indicators too fast resistor ?

[christover1]

My mate Joey has fitted a nice set of LED lights in his rear tailgate. Out of the mud and water, real cool.
All works fine, but flash rate of the indicator turn signals is too fast.
He's tried a few resistor sizes in line, but rate don't change.
I suggested a different electronic flasher can, but this either didn't work, or is already a solid state one?
What resistor sizes, and/or other solutions have people come up with?
Reply here, or ring Joey on 0409 018 162

christover

[murcod]

A resistor in parallel across the back of the LED terminals should work. I don't know what Wattage indicator globes are?

20W?

IF so the resistor needed should be

P= V x I;
I= P / V
I= 20 / 12 = 1.67 Amps

V= I x R
R= V / I
R= 12 / 1.67 = 7.2 Ohms

Then you'd have to take into account that you'd need one on the back of each LED indicator "globe" (although by the sound of it he's only converted the rear?); and they'd have to be heavy duty resistors (ie 20 Watt rating or they'll overheat/ burn out....)

I'm fairly sure you can buy proper flashers for LED lights- try a truck spares place maybe?

[HotFourOk]

Yeh, it is doing as it would if a globe was blown, due to the LED's not producing enough resistance.
I had the same thing in my Seca when i put new indicators on.

Yeh indicators are usually 21w each side at the back so you could wire ~8 ohm resistors into the power for the blinker on each side...

Or.. you can wire up the old globes again but out of sight.. tuck them right up and secure them.. This is an easy fix

[christover1]

Or.. you can wire up the old globes again but out of sight.. tuck them right up and secure them.. This is an easy fix

I suggested that, but got sworn at


thanks Guys, will pass on the info.
I'd forgotten all my formulas, been too many years since I used em

christover

[chimpboy]

I am not sure what the issue is with a replacement flasher relay; it's simpler imho.

[christover1]

I am not sure what the issue is with a replacement flasher relay; it's simpler imho.

me either, maybe he didn't ask right questions?
He's going back to shops tomorrow, to try again.
He's been using dick smiths electronics resistors, not the proper led ones, maybe thats the issue.

christover

[christover1]

He is going to chase up the proper heat sinked resistor made for this
purpose, today.
An LED flasher can may not be good for the other globes in system.
A non globe blown warning type could be a Mr Plod fine nuisance.
Fitting of globes as a load for the system sorta defeats the purpose,
as LED's are more reliable.

thanx for input everyone

christover

[Mudzuki]

I have leds in the rear of my zuk, and it is a non load sensitive flasher that i used, fixed flash rate.

[P_Byrne]

Mudzuki,

Can you recall what type of flasher unit it was? ie number of pins etc?
Where abouts on the firewall is the sucker in a zook?

Cheers,

Paul

[runnin4life]

yer thats what i need a new flash relay that is no load resistant
duno where to get one
cheers
elliot

[christover1]

I have leds in the rear of my zuk, and it is a non load sensitive flasher that i used, fixed flash rate.

thats what I would do, but he don't seem convinced...
thanks again all.
christover