electrical items identification 200tdi and related help

[justustwo]

Hi all needing some help with determining what the various items I have pictured below are.

Bit of background info first :

it’s a 1993 200tdi 110 hardtop (which came as a limited build of 50 vehicles)from the post office here in South Africa.

It has a few extras for the electronics the post office maintenance dept needed which includes seperate front and rear air con-rear air con units. Rear is installed in the rear leftside lockbox(tey still need to be fired up (currently cold and wet here so not at all urgent

It has an alarm imobiliser “thingy”

PAS (PAS apparently was not standard here at the time??)

Things that are not working are:

1. indicators working ok but were also working even with the ignition off
2. the hazard warning switch was broken and put a new one in and on doing so I obviously blew something as now I have lost all indicator function(all fuses are ok –what else can I check….can you test flasher relays?)
3. headlights were always not working correctly .1^st position on stalk got side lights. 2^nd positiongot headlights dipped. 3^rd position turned side lights and headlights OFF?? …the flash on the indicator stalk made no effect.

Pictures I need explanation of what they are and what they do please

Relays numbered 1,2,3 (below fuses).

Also have two more relays which are at the rear of the fuse panel one I have googled as a wash/ wipe relay not sure about the other (can post more pics if needed)

In with the fuse panel is this strange looking box which pulls apart and has this inside??

Is this silver box somesort of voltage transformer and is it for the alarm system (currently not working) or could it be for the front aircon blower as it sat just below it in passenger footwell??

alarm is not currently functioning(other than one red led on the only sensor ) but if able to i would like to get it back in operation? feasable?

sorry for all the questions and long post but any helpful advice much appreciated and may also help others

cheers all