Reverse lights not working

[dandan62]

Mot tomorrow so checked all lights at the weekend.  My reverse lights aren't working. According to google they are not an mot failure but I want to fix them. Electrics are definitely not my strong point. Bulbs good, fuse good ( shared with indicators). No volts at bulbs. Next check was gearbox switch which was  new near last year. Shorted the connection at the switch wire and still nothing. Checked volts there and nothing . I am thinking that only leaves the connection at the back of the fuse box? Or am I missing something obvious? Thanks in advance.

Edited September 15, 2022 by dandan62
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[Andi]

Mine hasn't worked for years. Same problem as you I reckon.

It does always pass the mot though 

Andi

 

 

[Sparepart]

Possibly not just at the back of the fuse box, maybe somewhere along the length of wire from fuse to the gearbox switch might have been severed by someting when the ignition was off ?

[dandan62]

I've had a look at it and seems fine. Just passed mot so I'll dig deeper soon. I didn't want to start fiddling too much in case I disturbed things before the mot. 

[lotusseven7]

take it off. if its not there it cant be tested.

[Pintogogo]

wiring is simple 

+ve Live supply to gearbox switch, feed from switch to reverse lamp terminal, feed from other reverse lamp terminal to earth

[alantoon]

On 9/16/2022 at 8:29 PM, lotusseven7 said:

take it off. if its not there it cant be tested.

A man with a similar outlook to mine

[dandan62]

Passed anyway. He confirmed he wasn't interested in reverse lights. I'll repair at my leisure.