Dodgy fuel gauge / week rear lights

[sacramento7788]

Hi


I have recently got myself a 1969 + 2s which is in good shape but has a few niggles I would like to put right and I wondered whether anyone could help me with?

1. The fuel gauge warning light seems to be working but the smiths gauge rises but won't go beyond showing a quarter of a tank.

2. The rear lights are working but the left side is significantly weaker than the right.

If anyone can offer any advice as to how I can isolate where the problems lie that would be appreciated.

Thanks in advance

John

[billwill]

Probably a poor Earthing wire or connection; the bane of fibreglass cars. Trace the earthing wires (usually black) remove & clean all earthing contacts and as suggested on another topic, use Vaseline to grease the contacts before putting back on and tightening up.

But also check the light bulbs, the dim one may be blackened by old age.


If it is not an earthing problem, it's possible that your tank sender was a replacement and has not been set up. It is a pain to do (on a 2-seater, not sure about a Plus2) because you have to take the sender out and bend the float wire by guestimate. This involves syphoning the tank out into jerry cans for each try and taking the tank out.

[RogerFrench]

I second what billwill says, except I'd use dielectric grease, readily available from hardware stores, instead of vaseline. Does the same job, only better!

[sacramento7788]

Thanks for your comments. One for the weekend!

[billwill]

Don't forget that the tank sender probably earths to the metal of the tank, so there needs to also be a wire connection from the tank metal to a suitable earth on the chassis.