a typical 55W high beam headlamp =Â Â Â 55W / 13.5V = 4.07 Amps x2 = 8.14
amps for both lights (give or take....)
Your stock alt should be fine while driving. BUTÂ The typical Lucas 26
amp alternator though, is notorious for dropping out of regulation at an
idle which does pull more current (55W / 12V = 4.5A. )
Unless your stuck on being super' original'...find a Bosch alt
replacement. ('78 fiesta?) The stock Lucas connector will plug right in.
jfft
ptegler
On 2/11/2021 10:20 PM, WILLIAM SMITH wrote:
> Thanks to everyone who responded with possible answers and
> recommendations. As usual, I believe Dave Massey was spot-on with the
> '72 headlight ground connection being a push-on connector attached to
> the inner side of the front valance. As my car is not back yet from
> the body shop (long story/TMI), I can't actually test that connection
> until I get it back. However, I do have the original valance and
> spotted the tab for the connector after Dave mentioned it in his reply
> --- thanks Dave! Â If cleaning that ground connection doesn't brighten
> the lights, I'll have to probe further.
>
> As for those who suggested the headlight relay kit, I've been toying
> with that idea for a while, so thanks for reminding me. As the
> original headlights were never bright enough, I was thinking of doing
> the relay with a set of halogen sealed beams. Oh, and that would
> probably call for an alternator upgrade, as well. It never endsð???
>
> Bill Smith
>
> '72 TR6
>
> '80 TR7
>
>
--
Paul Tegler
ptegler@verizon.net www.teglerizer.com
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