Ross Auto-Electrical

Ross Auto-Electrical Specialist Vehicle Diagnostic & Auto-Electrical Services. Based in Pembrokeshire.

Independant Mercedes-Benz Specialist
Industry Qualified & Fully Insured
Certificated Automotive Engineer & Assessor (IMI)
IMI Professional Register
Matt Ross CAA CAE MIMI •Control Module Diagnostic
•Electrical System Testing
•Fault code diagnostic & component testing
•Autoelectrical Services
•Auxiliary system fitment
•Auxiliary wiring and component fitment
•CANBUS interrogation & systematic

fault diagnostic
•Interpretation of actual values and live data for accurate data analysis & diagnosis
•Quality workmanship
•Professional body membership & accreditations
•Industry recognised qualifications
•Fully insured for public liability & defective workmanship

Rest assured, we have the correct insurances and professional memberships in place to ensure that our customers receive a working practice that is safe and to (if not above), industry standard. We are committed to the highest levels of workmanship and we pride ourselves on our commitment to industry standard. These are the extra little steps that Ross Autoelectrical takes to ensure that we exceed expectations at every opportunity.

A brilliant day out at Martletwy YFC Tractor Pulling & Dyno Weekend ! Martletwy YFC have done an amazing job putting on ...
08/08/2026

A brilliant day out at Martletwy YFC Tractor Pulling & Dyno Weekend !

Martletwy YFC have done an amazing job putting on an action packed local weekend full of everything for all ages, big kids and little!

They still have this evening & Sunday to go, so for anyone looking for something to do tomorrow, head on over! You won’t be disappointed.

D & K Phillips Transport Ltd.

👌👌
07/08/2026

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So, being from our small little circle in Pembrokeshire, it’s only fitting to share what we get up to when we’re not fix...
11/07/2026

So, being from our small little circle in Pembrokeshire, it’s only fitting to share what we get up to when we’re not fixing cars…

As always, big love for our local farming community.

Whether you’re a smallholder or a big operation, your initial goal is simple….

Care for the animals in your care.

24/06/2026

Just a quick note to let everyone know that our next available booking date is 27th July.

Between now and then, we simply cannot fit anything else in – whether that's a diagnostic, a repair, a "quick look", or a "quick plug-in". Our diary is completely full.

It's also hay season at the yard, so we're working flat out to keep our baling equipment running and get the hay cut, baled, and safely under cover as quickly as possible.

While we may be auto-electrical specialists and mechanics, we're also human beings with families, personal commitments, and only so many hours in the day.

With that in mind, please bear with us.

As always, our message remains the same:

Please don't leave vehicle faults until MOT time or the last minute.

All of us local specialists are incredibly busy and heavily booked. Leaving a fault until it's urgent often means you're suddenly desperate to get it fixed, but we simply don't have the workshop space or time available at short notice to carry out the thorough diagnostics that are needed.

Unfortunately, that situation usually only ends one way — with disappointment when we can't get your vehicle in as quickly as you'd hoped.

On a brighter note, summer has finally arrived! With temperatures pushing 30°C, we hope you're all dusting off the BBQs, filling up the kids' paddling pools, and making the most of the sunshine while it lasts.

Thanks, as always, for your continued support and understanding.

Over and out!

🔋 Is your vehicle sitting unused for days at a time?One of the most important things you can do to protect your vehicle'...
16/06/2026

🔋 Is your vehicle sitting unused for days at a time?

One of the most important things you can do to protect your vehicle's electrical system is maintain a healthy battery voltage.

Modern vehicles are packed with intelligent technology – alarms, keyless entry, control modules, trackers, infotainment systems and more. Even when parked and locked, these systems continue to draw a small amount of power in the background. This is known as a parasitic drain and is completely normal.

In fact, many modern vehicles can legitimately draw up to 80mA in standby mode.

To put that into perspective, that's roughly the same power consumption as leaving your broadband router or TV box running on standby at home 24/7.

If your vehicle isn't being used for 3 days or more at a time, we strongly recommend investing in a quality battery maintainer or smart charger. These devices safely keep your battery at an optimal state of charge, helping to prevent:

✅ Flat batteries
✅ Starting issues
✅ Low voltage faults
✅ Unnecessary diagnostic costs
✅ Premature battery failure

A healthy battery means a healthy vehicle. Look after your vehicle's electrical system at home and avoid unexpected repair bills down the road.

Ross Auto-Electrical ⚡
www.rossautoelectrical.co.uk

06/06/2026
11/05/2026

We are now closed and will re-open on the 29th of May.

We are taking new bookings for June 8th onwards.

Please use the booking form for all new enquiries and we will get back to you with an estimate and a booking date.

Anything urgent, or cars on site, please use our WhatsApp.

Thank you!

Address

Unit 12 Waterston Industrial Estate
Waterston
SA731DP

Opening Hours

Monday 9:30am - 4:30pm
Tuesday 9:30am - 4:30pm
Wednesday 9:30am - 4:30pm
Thursday 9:30am - 4:30pm

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