KDA round about workshops are crooks,
silcon tube, relay, nitto tape teshter 12 ka pana in cloth bag and they are good as non-sense ustaad.
thook lagaoo paisa pakro 90% are from Pahar Ganj & Banaras class commerical kam chalaoo class get job done. a daily visit is mandatory for such Paych kas Peelaas mechanics.
@nfssaad knows the location and mindset of workers there.
you need pro-help who can identify wires with color code and add extension of same code using diagnostic from wiring table / manual.