[Rovernet] Fingers on Fire----Help!

Ben Saunders bsaunders at firstva.com
Fri Jul 18 16:41:36 EDT 2025


Would any of you be interested in a 1960 Rover P4 100.

On 7/18/25 1:45 PM, pierre janusz via Rovernet wrote:
> You will find the wiring diagrams in the owner's handbook.
> Pierre
>
> On Friday 18 July 2025 at 18:27:46 BST, Vern Inkspot via Rovernet 
> <rovernet at rovernet.org> wrote:
>
>
> Hi Lance
>
> First step would be a wiring diagram. The next step would be using a 
> multimeter and progressively disconnecting things downstream of that 
> fuse until you don't see a dead short anymore.
>
> I don't have the NADA 3500S wiring diagrams
>
> Yours
> Vern
>
>
>
>> On Jul 17, 2025, at 2:00 PM, Lance La Certe via Rovernet 
>> <rovernet at rovernet.org> wrote:
>>
> 1970 3500S NADA
>
> I've been restoring this car since 1988.  Although electrics are my 
> worst skill set, this latest event has me completely flummoxed.
>
> Drove the car several miles two days ago without any problems.    
> Washed it yesterday, as I have done for 30+ years without an 
> incident.   Drove it back into the garage, unscrewed the battery post 
> disconnect switch, and plugged in the battery tender (which I've also 
> used for 30+ years).
>
> Be aware there was no corrosion on either post or on the positive and 
> negative leads from the battery to the car.
>
> Realized I needed to move the car up further into the garage.  
>  Screwed the disconnect switch back on and nothing.
> Battery at rest registered 12.9-13V; clearly well maintained.  Checked 
> under the hood; leads to and from the coil, etc.  All in order. 
> Finally checked the fuse box, and the 35amp battery control fuse had 
> blown.  O.k., an old Lucas fuse, let's replace it, after having 
> disconnected the battery.  Installed new 35 amp fuse, turned 
> disconnect switch back on and nothing.
>
> Went back to the fuse box.   The fuse was blown again. Reached in to 
> pull it and it was so hot I now have a loverly, blister on my thumb.
>
> Any help would be greatly appreciated.
>
> Lance
>
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