[Fot] Rain Lights at the Mosport

yellow04 at tr4racer.com yellow04 at tr4racer.com
Sun Jan 4 13:39:38 MST 2026



I ran for YEARS without a rain light, as several others from the States 
has done. I have never seen a car get black flagged if it starts raining 
and no rain light is on.

Eventually, I did wire rain lights as Phil describes, simply installed a 
switch and ran a wire back to my OEM tail lights. The parking light 
circuit on standard 1147 bulbs is all you want and need.

Please don't overthink this, guys. If you don't run in the rain, you 
certainly don't need a rain light.

You do not want a super bright lights that will distract your 
competitors, or as Tony G found out at Lime Rock, you will get black 
flagged because somebody thinks your car is on fire! (I wish I was 
kidding...)

Henry Frye
860.508.3118

On 2026-01-04 13:46, Lyman Scherer via Fot wrote:

> Our TR4 has led tail/brake & turn sig bulbs. Could easily wire both 
> turn bulbs into rain lights with switch. Plus we have bright led 
> rollbar light with tail/brake.
> Sent from my iPhone
> 
>> On Jan 4, 2026, at 10:51 AM, Philip Gott <vfracing at aol.com> wrote:
> 
>> Regarding the rain light:
>> Dave and I are running the stock tailights that we turn on in the rain 
>> (and the dark). Presumably these will be ok?
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