[DeTomaso] Any issues with running positive and ground for EFI through the center counsel?

Thomas Törnblom thomas at hax.se
Tue Jul 28 00:59:15 EDT 2020 

The +12V at the alternator should be as stable as the battery and will be the shortest route to running power.

Do you have the ammeter installed? If so, nothing but the starter relay should be connected directly to the battery, or the battery wire on the starter relay or else the ammeter will show erroneous readings. You will feed the EFI through the meter when running if wired to the battery. 

Thomas

> 28 juli 2020 kl. 06:38 skrev Ken Green <kenn_green at yahoo.com>:
> 
> 
> I thought about going to the starter, but it seems like there could be voltage//current fluctuations when the engine is cranking?  Maybe the same with the alternator?
> 
> Ken
> 
> On Monday, July 27, 2020, 8:14:14 PM PDT, Thomas Törnblom <thomas at hax.se> wrote:
> 
> 
> I take power to the EFI from the alternator.
> 
> After all, it is the alternator that ultimately supply all power and taking power from the battery will make the ammeter show the EFI current incorrectly as charging.
> 
> If you really want to use battery power you can take that from the battery cable on the starter relay, but it is wrong in my opinion.
> 
> Thomas
> 
> > 28 juli 2020 kl. 03:52 skrev Ken Green via DeTomaso <detomaso at server.detomasolist.com>:
> > 
> >   One wire in the FAST wire harness had a relay and fuse.  I built a
> >  custom relay panel and will just add a dedicated relay and fuse to it
> >  to keep all the relays and fuses together.  I dropped the battery, and
> >  the panel is mounted to the bulkhead just above the battery.
> > 
> >  On Monday, July 27, 2020, 6:42:26 PM PDT, Dave Londry
> >  <davel at trguys.com> wrote:
> >    And you're thinking a relay and a fuse?
> >    Dave
> >    On 2020-07-27 6:37 p.m., Ken Green via DeTomaso wrote:
> >    I have 6 dedicated wires from the battery to the ECU, which will be
> >    mounted to the fire wall behind the passenger seat.  They are all
> >  power
> >    or ground, not signals.  I'd like to just run them in a jacket
> >  through
> >    the center counsel, tying them away from the ZF linkage.  Anyone see
> >    any problem with this?
> >    Thanks,
> >    Ken
> >  _______________________________________________
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> >  t messages.
> >  --
> >  Dave Londry
> >  TRGuys.com
> >  [3][3]davel at trguys.com
> >  Cell    604-721-2278
> >  Skype    embeddedspaces
> >  References
> >    1. mailto:[4]DeTomaso at server.detomasolist.com
> >    2. [5]http://server.detomasolist.com/mailman/listinfo/detomaso
> >    3. mailto:[6]davel at trguys.com
> >  _______________________________________________
> >  Detomaso Email List is not managed by POCA
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> > References
> > 
> >  1. mailto:DeTomaso at server.detomasolist.com
> >  2. http://server.detomasolist.com/mailman/listinfo/detomaso
> >  3. mailto:davel at trguys.com
> >  4. mailto:DeTomaso at server.detomasolist.com
> >  5. http://server.detomasolist.com/mailman/listinfo/detomaso
> >  6. mailto:davel at trguys.com
> >  7. mailto:DeTomaso at server.detomasolist.com
> >  8. http://server.detomasolist.com/mailman/listinfo/detomaso
> > 
> > 
> > 
> > _______________________________________________
> > 
> > 
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> 
> _______________________________________________
> 
> 
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-------------- next part --------------
   The +12V at the alternator should be as stable as the battery and will
   be the shortest route to running power.

   Do you have the ammeter installed? If so, nothing but the starter relay
   should be connected directly to the battery, or the battery wire on the
   starter relay or else the ammeter will show erroneous readings. You
   will feed the EFI through the meter when running if wired to the
   battery.

   Thomas

     28 juli 2020 kl. 06:38 skrev Ken Green <kenn_green at yahoo.com>:

   I thought about going to the starter, but it seems like there could be
   voltage//current fluctuations when the engine is cranking?  Maybe the
   same with the alternator?
   Ken
   On Monday, July 27, 2020, 8:14:14 PM PDT, Thomas Toernblom
   <thomas at hax.se> wrote:
   I take power to the EFI from the alternator.
   After all, it is the alternator that ultimately supply all power and
   taking power from the battery will make the ammeter show the EFI
   current incorrectly as charging.
   If you really want to use battery power you can take that from the
   battery cable on the starter relay, but it is wrong in my opinion.
   Thomas
   > 28 juli 2020 kl. 03:52 skrev Ken Green via DeTomaso
   <[1]detomaso at server.detomasolist.com>:
   >
   >   One wire in the FAST wire harness had a relay and fuse.  I built a
   >  custom relay panel and will just add a dedicated relay and fuse to
   it
   >  to keep all the relays and fuses together.  I dropped the battery,
   and
   >  the panel is mounted to the bulkhead just above the battery.
   >
   >  On Monday, July 27, 2020, 6:42:26 PM PDT, Dave Londry
   >  <[2]davel at trguys.com> wrote:
   >    And you're thinking a relay and a fuse?
   >    Dave
   >    On 2020-07-27 6:37 p.m., Ken Green via DeTomaso wrote:
   >    I have 6 dedicated wires from the battery to the ECU, which will
   be
   >    mounted to the fire wall behind the passenger seat.  They are all
   >  power
   >    or ground, not signals.  I'd like to just run them in a jacket
   >  through
   >    the center counsel, tying them away from the ZF linkage.  Anyone
   see
   >    any problem with this?
   >    Thanks,
   >    Ken
   >  _______________________________________________
   >  Detomaso Email List is not managed by POCA
   >  Posted emails must not exceed 1.5 Megabytes
   >  DeTomaso mailing list
   >  [1][1][3]DeTomaso at server.detomasolist.com
   >  [2][2][4]http://server.detomasolist.com/mailman/listinfo/detomaso
   >  To manage your subscription (change email address, unsubscribe,
   etc.)
   >  use the li
   >  nks above.
   >  Members who post to this list grant license to the list to forward
   any
   >  message p
   >  osted here to all past, current, or future members of the list. They
   >  also grant
   >  the list owner permission to maintain an archive or approve the
   >  archiving of lis
   >  t messages.
   >  --
   >  Dave Londry
   >  TRGuys.com
   >  [3][3][5]davel at trguys.com
   >  Cell    604-721-2278
   >  Skype    embeddedspaces
   >  References
   >    1. mailto:[4][6]DeTomaso at server.detomasolist.com
   >    2. [5][7]http://server.detomasolist.com/mailman/listinfo/detomaso
   >    3. mailto:[6][8]davel at trguys.com
   >  _______________________________________________
   >  Detomaso Email List is not managed by POCA
   >  Posted emails must not exceed 1.5 Megabytes
   >  DeTomaso mailing list
   >  [7][9]DeTomaso at server.detomasolist.com
   >  [8][10]http://server.detomasolist.com/mailman/listinfo/detomaso
   >  To manage your subscription (change email address, unsubscribe,
   etc.)
   >  use the links above.
   >  Members who post to this list grant license to the list to forward
   any
   >  message posted here to all past, current, or future members of the
   >  list. They also grant the list owner permission to maintain an
   archive
   >  or approve the archiving of list messages.
   >
   > References
   >
   >  1. mailto:[11]DeTomaso at server.detomasolist.com
   >  2. [12]http://server.detomasolist.com/mailman/listinfo/detomaso
   >  3. mailto:[13]davel at trguys.com
   >  4. mailto:[14]DeTomaso at server.detomasolist.com
   >  5. [15]http://server.detomasolist.com/mailman/listinfo/detomaso
   >  6. mailto:[16]davel at trguys.com
   >  7. mailto:[17]DeTomaso at server.detomasolist.com
   >  8. [18]http://server.detomasolist.com/mailman/listinfo/detomaso
   >
   >
   >
   > _______________________________________________
   >
   >
   > Detomaso Email List is not managed by POCA
   > Posted emails must not exceed 1.5 Megabytes
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   > [19]DeTomaso at server.detomasolist.com
   > [20]http://server.detomasolist.com/mailman/listinfo/detomaso
   >
   > To manage your subscription (change email address, unsubscribe, etc.)
   use the links above.
   >
   > Members who post to this list grant license to the list to forward
   any message posted here to all past, current, or future members of the
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   >
   > !DSPAM:5f1f84e1165942476816944!
   _______________________________________________
   Detomaso Email List is not managed by POCA
   Posted emails must not exceed 1.5 Megabytes
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   To manage your subscription (change email address, unsubscribe, etc.)
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   Members who post to this list grant license to the list to forward any
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References

   1. mailto:detomaso at server.detomasolist.com
   2. mailto:davel at trguys.com
   3. mailto:DeTomaso at server.detomasolist.com
   4. http://server.detomasolist.com/mailman/listinfo/detomaso
   5. mailto:davel at trguys.com
   6. mailto:DeTomaso at server.detomasolist.com
   7. http://server.detomasolist.com/mailman/listinfo/detomaso
   8. mailto:davel at trguys.com
   9. mailto:DeTomaso at server.detomasolist.com
  10. http://server.detomasolist.com/mailman/listinfo/detomaso
  11. mailto:DeTomaso at server.detomasolist.com
  12. http://server.detomasolist.com/mailman/listinfo/detomaso
  13. mailto:davel at trguys.com
  14. mailto:DeTomaso at server.detomasolist.com
  15. http://server.detomasolist.com/mailman/listinfo/detomaso
  16. mailto:davel at trguys.com
  17. mailto:DeTomaso at server.detomasolist.com
  18. http://server.detomasolist.com/mailman/listinfo/detomaso
  19. mailto:DeTomaso at server.detomasolist.com
  20. http://server.detomasolist.com/mailman/listinfo/detomaso
  21. mailto:DeTomaso at server.detomasolist.com
  22. http://server.detomasolist.com/mailman/listinfo/detomaso

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