Progress - June 2024

June 1st

The focus on this month is on getting the car back together with every working on the 12V side. This means wiring up the lights, heated seats, HVAC, iBooster, etc. We are also refitting everything we can (bumpers, bumper stays, arch liners, etc.) to ensure that they don't interfere with any of the EV stuff that we will be fitting soon.

June 12th

The shocking weather is slowing us down 🙁 We are continuing with the 12V wiring though. We are completely rewiring the headlights right back to the H4 bulb connectors. All this wiring will be covered and fixed to the old fixing points.

We are also completely rewiring the pop-up headlights (headlight retraction mechanism) with new connectors and local change-over relays. This gives us a lot more control and massively simplifies the wiring.

We have finalised all of the designs for fuse boxes and relay boxes. These have been for now but will be laser cut and folded in aluminium. This is the engine bay fuse/relay box.

June 13th

The use of a change-over relay local to the headlight retraction unit simplifies the wiring significantly and provides independent left and right control. These wires will be wrapped, once the wiring as been fully tested.

Our 4-pin connector pins are:

  1. CTRL = Orange wire to relay
  2. ERR = Green
  3. +12V = Brown
  4. GND = Black

June 18th

The headlamps are now fully wired up with new connectors and better cables.

June 28th

More MX-5e wiring today. The rear end is complete and we habve now started in the cabin. We started with the wiring to/from the ignition switch. Having tested the switch module, we discovered some dodgy connections, so we ended up taking the switch apart and cleaning it up internally.

June 29th

We needed to start thinking about where the dashcam rear camera was going to fit and where the wiring would run. Halfords had a spectacular deal on the Nextbase 522GW bundle that we have fitted in our other cars, so we bought another one to fit into the MX-5e.

Our original thinking was to mount the cabled rear camera seamlessly into the bodywork and to cut a hole in the rear plinth but, we decided it might be too low down and get dirty very quickly. So we have fabricated this aluminium mount that uses an existing bolt for the roof structure. This will be powder coated black. The camera uses a sticky pad to this mount and magnetic mount/adjuster. The upper hole is for the cable to pass through.

Previous Progress

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