Re: 2006 Ford Truck (Diesel) Just Clicks, Won't Start
Had the eact same thing happen on my diesel and it turned out to be the alternator which had fried oine of the batteries.... you could put a charge on them and it would run for a week or ten days and then nothing.. clean the cables charge it up and it would go again... finally it just stop taking the charge and I look deeper and replaced the batteries ran fine for two weeks then dead again... alternator finally finished itself off... problem had been a little intermittent till then.. good luck
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Remove negative cable from battery, connect a test light to negative terminal, opposite end off light to negative battery post. ( let sit for 3 to 5 minutes). Then start pulling fuses, when the light goes out that's your bad circuit. God-Bless! Its worth a try.
When you replaced the starter, I assume you did disconnect the battery. Did you clean the posts before putting your battery cable back on? I replaced my battery a couple of months ago and did not clean them and my van ran fine for several days and then one day would not start. Cleaned the posts and cable ends and everything worked fine. Just a thought. Hope this helps!
Maybe bad battery or corroded battery terminals. I'd look at the terminals first and clean them with sandpaper, knife, wire brush,etc. still won't start get a jump and see if it will start and go to Advance Auto or a auto parts store like it and get a Charging system check..they'll do it for free and you'll know for sure what it is. And if you end up needing a battery they'll install it for free. Next in line is the Alternator and that may be something you'll want to get a mechanic for.
Okay, If this noise happens when you turn the Key to start, your Starter Relay is bad. Now the other possibility is the Glowplug Timer. When you start a Diesel there is a pause in the initial cold start. You turn the Igniition Key to Run, then let the Glowplug Timer cycle. This cycle sound will be a series of clicks which also may cause the lights to dim.
The glowplugs absolutely must warm up to start a cold diesel engine. There should be a light on the dash which either goes off when the glowplugs are ready or a light will turn on when they are ready. It is only after that activity that you will turn the Key to Start.
Since Diesels take more power to Start, there are 2 batteries. As with a single battery system, every connection must be clean. If the Glow-plug Timer is working and you only get clicks by turning your Key to Start, check the things I said earlier. Your Starter Relay and the big cable connections.
If after all of that, the engine will not turn over and only clicks, jump the Starter Relay with 1 cable from a jumper cable set from the Positive Battery cable post to the Starter Relay on the Starter wire connector. Make sure the truck is in Park or Neutral. If the Starter jumper cable sparks and the Starter does not turn, the Starter is bad. If the Starter spins it confirms the Relay is bad.
I hope my Solution gets you going and that you consider this helpful.
Check your battery terminals. Take the cables off you battery and clean with a mild solution of baking soda and water. Also check the ground cable and make sure it is attached securely. I had a truck that did the same thing and it was a corrosion problem.