[s-cars] A good fuel pump install question (??)

[Dave Forgie]

The link didn't work (for me) and since I can't test for two weeks, I guess I
will just change the bottom connectors (at the pump) and install the pump
tomorrow.  Thanks Fred and Kirby.

Dave F.

Fred Munro wrote:

> Hi Dave;
>
> The "generic" insulation material on low voltage electrical wire is PVC
> (polyvinyl chloride). PVC is not recommended for gasoline exposure
> http://k-mac-plastics.com/plastic-rod/data%20sheets/pvc-chemical-resistance.
> htm. You'd probably need neoprene or Teflon insulation. You'll have to find
> out what insulation is on your 12 ga wire before you use it in your tank.
> It's not a good place to have wiring insulation fail.
>
> Fred Munro
> '94 S4
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Dave Forgie
> Sent: March 12, 2005 7:48 PM
> To: s-cars
> Subject: [s-cars] A good fuel pump install question (??)
>
> Sorry for yet another question but I think this is a good one, i.e.
> useful to more than just me:
>
> The new Bosch pump (German made) has two spade connectors and an
> interesting little clip to hold them to the pump and away from each
> other.  The OEM VDO pump and the replacement VDO pump had threaded posts
> (different sizes) and appropriate (flat with the correct size holes)
> connectors and nuts.  I have to cut these connectors off to install the
> Bosch pump.  However, since the gauge of the wire is very small (20?)
> and I have previously installed a relay to the battery and run 12 gauge
> wire from the battery (via the relay) to the top of the fuel sender, I
> am wondering (thinking) why I don't just upsize the wires that go from
> the pump to the top of the fuel sender (there is a two-wire T connector
> that goes into the bottom of the fuel sender top plate).
>
> I would have done this already but I don't know if the covering on my 12
> gauge wire can handle being immersed in fuel forever.  There must be a
> spec for the coverings that can handle this service situation.  I bought
> the wire at NAPA in the summer.
>
> Any automotive electrical types out there (Keith Maddock?) that can help
> with this, hopefully, my last question?
>
> Dave F.
>
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