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Ecklers AutoMotive
Username Post: Headlights go out.        (Topic#353221)
Posts: 32

Reg: 09-02-09
09-28-18 02:51 PM - Post#2747426    

I have a 1955 chevy convertible with a chevy 350 and a 700r4 trans. When I drive at night the headlights go out and than come back on about 30 seconds later. How do I fix this. I have a brand new lite switch?????

Ecklers AutoMotive
Frequent Contributor
Posts: 1756

Loc: Lake George, NY
Reg: 11-11-15
09-28-18 05:47 PM - Post#2747438    
    In response to Nicksd

Sounds like the circuit breaker in the headlite switch is tripping. This happens due to an overload in lite circuit, see if it happens with just the parking lites on. If not focus on the headlite wiring, or if you have halogen lites they can overload the switch.

Ultra Senior Member
Posts: 11224
Reg: 03-25-05
09-29-18 06:42 AM - Post#2747464    
    In response to Nicksd

  • Quote:
I have a brand new lite switch?

Did you change the switch because the lights were blinking or did the lights start blinking after you changed it? Could be a bad switch. The thermal breaker may be too weak.

66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)

"10th Year" Gold Supporting Member
Posts: 2036
Age: 69
Loc: south texas
Reg: 08-04-12
10-01-18 12:36 PM - Post#2747626    
    In response to Nicksd

If your brand new lite switch is a china knock off, it't probably bad.

If you have gone to halogen headlamps, you may need to install a relay. That will keep from pulling too many amps through the switch itself, and may cure the problem.

Any good parts house will stock a RY-30 relay, and pigtail.


Attachment: RY-30photo_primary__ra_p.jpg (45.86 KB) 6 View(s)

Attachment: pigtail.jpg (10.81 KB) 7 View(s)

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