[OZAPRS] Need a hand

vk2tv vk2tv at exemail.com.au
Mon Dec 4 09:19:27 AEDT 2017

I've just looked at my X-Trail and I think I've lost any enthusiasm I 
had for installing radios, hi. I think the engine block was poured in situ!

The main frame of the vehicle - subframe, floor pan, roof, firewall and 
door frames - seems to be a welded mass of metal to which mudguards, 
bonnet, doors, etc are bolted, so any bolts attaching components to the 
sub-frame could be a possibility. A "Z" bracket coming out from under 
the bonnet could possibly utilise one of the mudguard mounting bolts. A 
magbase on the edge of the bonnet could be earthed via a short lead to a 
mudguard mount or the bonnet hinge mount. Most bonnets are not purposely 
earthed so heavy(ish) straps (RG213 braid, e.g.) around the hinges could 
be beneficial. A couple of possibilities there, but this is just one 
specific vehicle.

My days of crawling over and under vehicles to install radios ended a 
long time ago; these days I'm the wrong shape for crawling under, and 
multi-focal spectacles don't work well upside down under a dash.



On 04/12/17 08:23, Glen English VK1XX wrote:
> In looking for a place to attach a ground strap, consider that 
> ideally, you want the largest continous area of metal. That is 
> probably the engine bay firewall (which would attach to the upper 
> body, roof etc) ,  fender mounts,  or in the rear, hinge mounts of the 
> rear hatch, etc.
> Anyone else have any input here  on where to connect on a modern 
> vehicle to maximise surface area ?
> comeon. ???
> I am a bit out of tough on modern vehicles. (I have a 2005 XC90 which 
> if you pass a RG58 through a door seal will squash it flat and cause a 
> short... hence requiring coax entry through a bung in the spare tyre 
> well under the vehicle)
> _______________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au
> http://lists.aprs.net.au/mailman/listinfo/ozaprs

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