[Mgs] Dash Light Problem
Barrie Robinson
barrob at bell.net
Wed Aug 29 08:30:55 MDT 2018
Hello Ira,
Went to the site but found it was just like many others ! They put up
too much chat and miss the facts. I could not find a product list with
prices - take a look ar Speedhut's web site and you will see what I
mean. Nowadays it is all presentation an not on product. That's why US
TV programs have become almost total light displays.
Cheers
On 8/28/2018 10:36 PM, i erbs wrote:
> Classic speed has a great product for speedos
> https://www.classicautoinnovations.com
>
> Ira Erbs
> Portland, OR
> typos and artifacts are the fault of my phone
>
> On Tue, Aug 28, 2018, 7:13 PM Barrie Robinson via Mgs
> <mgs at autox.team.net <mailto:mgs at autox.team.net>> wrote:
>
> Hello Steve,
>
> Neither my speedo nor tach are working well and when checked out
> found it was the heads. Pricey replacements ! As my MGB GT V8
> is not really original it did not take me long to find Speedhut
> replacements. They have a good selection and a brilliant web
> site to "build" you own gauge. Mine will be very very close to
> the original but with far better performance and features. The
> speedo is GPS driven - my oath - and has no connections to the car
> (except for Lucas smoke to drive the light bulbs). Trouble is that
> when I fit them I will no longer go from 0 to 45-55kph in less
> than 3 secs with engine ticking over at 500rpm.:-)
>
>
> On 8/28/2018 7:27 AM, daybell7--- via Mgs wrote:
>> Thanks, Paul. I’m checking dash ground first thing after much
>> good advice, especially about not assuming it’s OK. Both
>> indicator lights work. My tach was acting funny. The car ran
>> fine, but the tach never registered over 3k RPM. Thanks for the
>> good info, Paul and everybody else.
>>
>> Steve H.
>> Gainesville, FL
>>
>> *From:* PaulHun <mailto:paulhunt73 at virginmedia.com>
>> *Sent:* Tuesday, August 28, 2018 3:25 AM
>> *To:* daybell7 at aol.com <mailto:daybell7 at aol.com>,
>> mgs at autox.team.net <mailto:mgs at autox.team.net>
>>
>> Usually the first step would be to bypass the dimmer rheostat,
>> which may not be as easy on a padded dash as on the UK dash.
>> They usually have double spades for each connection, with two
>> wires in a single spade on each connection, so it is a relatively
>> simple test to move one of the connections across to the spare
>> spade for the other connection.
>> Have you tested the bulbs work out of the sockets?
>> All the gauges should have earth wires on a 72, you can't assume
>> the dash is earthed. There should be a black wire under the
>> fixing nuts that hold them in the dash, or could be a spade on
>> the back of the tach case. That is fed from a 4-way bullet
>> connector that also feeds the right-hand indicator tell-tale,
>> does that work? The left-hand is fed differently.
>> Does the tach work as it should? If so that would appear to have
>> a good earth and it's bulb should work at least. Are you looking
>> at them in low light levels? You won't see gauge illumination if
>> the ambient conditions are bright.
>> Did you only have one bulb unscrewed when you tested for 12v in
>> the socket and all the other bulbs screwed in and fitted? You
>> need to, especially if your test light has an LED or you use a
>> voltmeter.
>> Take each socket out of the gauge and earth it with another
>> wire. Make sure your earth wire is good, can your test lamp
>> check earths as well as 12v?
>> PaulH.
>>
>> ----- Original Message -----
>> *From:* daybell7--- via Mgs <mailto:mgs at autox.team.net>
>> *To:* mgs at autox.team.net <mailto:mgs at autox.team.net>
>> *Sent:* Monday, August 27, 2018 6:08 PM
>> *Subject:* [Mgs] Dash Light Problem
>>
>> The dash lights don’t work on my 1972 MGB. The trouble lite
>> will light when I test the sockets, but various new bulbs
>> won’t. Does this mean low voltage? I’ve grounded the test
>> light on a bolt and assume the dash is grounded.
>>
>> Thanks,
>> Steve Hughes
>> Gainesville, FL
>>
>>
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>>
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