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View Full Version : BA: BP -> BPT wiring


zerwex
08-07-2006, 01:04 AM
I'm in the middle of my bpt conversion and need some help with the wiring.
Please no chatting, just looking for some easy answers.

1. Which fusebox do I use? BP or BPT?

2. I will have to use these 2 yellow ones from the BPT to connect to the ECU, right?

http://www.halstenstad.net/mazda/conversion/bpt-ecu-con.jpg

3. What about the grey, white and blue one from the BP shown here?
Are they replacing the black and white one on the pic above?

http://www.halstenstad.net/mazda/conversion/bp-ecu-con.jpg

Dogo
10-07-2006, 08:27 AM
this is from memory and may be innacurate.

The grey and white ones from the BA are the dash plugs. They would normally go into a loom that comes from the dash, down the center of the firewall.

i *think* the BP loom needs to be chopped and the appropriate wires spliced into those plugs so that you can get all the dash instrumentation etc working. As well as those big thick wires which are the power wires from the ignition.

do u have the wiring diags ? they're online somewhere.

Shaggy
10-07-2006, 08:14 PM
The 2 yellow plugs are for the ecu yes :)

zerwex
10-07-2006, 11:42 PM
this is from memory and may be innacurate.

The grey and white ones from the BA are the dash plugs. They would normally go into a loom that comes from the dash, down the center of the firewall.

They were connected to a loom that disappeared up the center of the firewall, so that sounds about right. What about the blue one from the BA?


do u have the wiring diags ? they're online somewhere.
My local mazda dealer got them but I haven't had time to pick them up yet.

If anyone knows where I can find them online that would be great tho :)

Dogo
11-07-2006, 08:41 AM
i have the BP and BPT wiring diagrams at home. Will get some scans for you.

zerwex
17-07-2006, 10:58 PM
Would be great if you could do that.

Been at my local dealer to pick them up twice now but they just tell me they haven't had the time to copy them for me yet.

-dc-
18-07-2006, 07:12 AM
i currently have the same problem as zerwex, wiring diagrams would be a huge help