1957 Headlight switch wiring diagram

Blue Bird 57

Blue Bird 57

Member
Last seen
Joined
Jun 3, 2022
Thunderbird Year
1957
Hi: I’m looking for a 57 bird headlight switch wiring diagram .
 

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Hi: I’m looking for a 57 bird headlight switch wiring diagram .
B - Battery

B Wires
  1. Yellow – Starter relay terminal battery supply
  2. Yellow – B terminal of the ignition switch
  3. Blue/White – Cigar lighter
A - Internal connection from terminal B

A Wires
  1. Green – Stop lamp switch
  2. Blue/Black – Clock
R - Connected to the A terminal in the park or headlight positions

R Wire
  1. Black – Tail and license lights
D – Connected to the B terminal through the 9 amp fuse

D Wires
  1. Green/Yellow – Left door jamb switch for the interior light
  2. Green/Yellow – Right door jamb switch for the interior light
P – Connected to R and A terminals in the park position

P Wire
  1. Black/Yellow – Parking lights
H – Connected to R and A terminals in the headlight position

H Wire
  1. Red/Yellow - Headlights (to the dimmer switch on the floor)
I – Connected to R through the rheostat (resistance changes as the dimmer knob is rotated)

I Wire
  1. Blue/Red – Instrument panel lights
doug7740
1955 Thunderbird Blue
Headlight Circuit.jpg
 
I dont want to jump the gun,, but if your dash lights don't brighten & dim,, you can jump them so they stay brightest,, with an easy connection.
Here is the modification that Rusty is referring to.

doug7740
1955 Thunderbird Blue

Modification 1.jpg

Modification 2.jpg
 
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